Descrizione sommaria:
D. Tanit, testa a sinistra, con corona di spighe, tripli orecchini e collana; intorno, quattro delfini².
R. Protome equina a sinistra³. Dietro palma. Sotto, ⁴

La ricerca nel web di monete della tipologia di figura ha dato luogo ai seguenti risultati:

1. https://www.numisbids.com/n.php?p=lot&sid=435&lot=60 Lot 60 Estimate: 2000 GBP. Price realized: 4600 GBP Sicily, Siculo-Punic AR Tetradrachm. 'People of the Camp' mint, circa 320-300 BC. Head of Tanit left, wearing grain wreath, triple-pendant earring and pearl necklace; four dolphins around / Horse's head left, palm tree behind; Punic legend below. Jenkins, Punic Sicily, pl. 14, 186 (these dies). 17.39g, 23mm, 6h. Bold types, attractively toned. Extremely Fine. Ex Stack's, The Golden Horn Collection, 12 January 2009, lot 2086..
2. https://www.cngcoins.com/Coin.aspx?CoinID=75943 Sale: Triton IX, Lot: 715. Estimate $7500. Closing Date: Monday, 9 January 2006. Sold For $13000. SICILY, Siculo-Punic. Circa 320/315-300 BC. AR Tetradrachm (17.20g, 2h). Wreathed head of Arethusa left, wearing triple-pendant earring and necklace; four dolphins around / Horse head left; palm tree to right, Punic 'MMHNT below. Jenkins, Punic, Series 3a, 186 (O55/R163); SNG Copenhagen (Zeugitania) 84 = SNG Copenhagen (Sicily) 979; SNG Lloyd 1638/1636 (same obv./rev. die); SNG Fitzwilliam 1484 (same dies); Boston MFA 496 (same dies); Dewing 981 (same dies); De Luynes 1460 (same dies). Superb EF, wonderful old cabinet tone. Practically as struck. ($7500). Ex Leu 86 (5 May 2003), lot 302.
3. https://www.cngcoins.com/Coin.aspx?CoinID=349491 Jenkins Plate Coin – Ex Berlin Königliches Münzkabinett Triton XXI, Lot: 335. Estimate $3000. Sold for $8000. SICILY, Entella. Punic issues. Circa 320/15-300 BC. AR Tetradrachm (25.5mm, 16.68g, 3h). Head of Arethousa left, wearing wreath of grain ears, triple-pendant earring, and necklace; four dolphins around / Head of horse left; palm tree to right, ‘MMḤNT (in Punic) below. Jenkins, Punic 146 (O47/R133 – this coin referenced and illustrated); CNP 267; HGC 2, 284; SNG Lloyd 1631 (same obv. die); de Luynes 1458 (same obv. die). Good VF, attractive old collection tone. From the collection of a Northern California Gentleman. Ex L. E. Bruun Collection (Sotheby & Co., 25 May 1925), lot 360; Duplicates from the Berlin Königliches Münzkabinett (A. Hess, 27 November 1902), lot 729.
4. https://www.cngcoins.com/Coin.aspx?CoinID=175121 Triton XIV, Lot: 17. Estimate $3000. Sold for $4250. SICILY, Entella. Punic issues. Circa 320/15-300 BC. AR Tetradrachm (25mm, 17.21g, 9h). Head of Arethusa left, wearing wreath of grain ears, triple-pendant earring, and necklace; four dolphins around / Head of horse left; palm tree to right, Punic ‘MMḤNT below. Jenkins, Punic 186 (O55/R163); SNG Fitzwilliam 1484; Boston MFA 496; de Luynes 1460; Bement 579 (all from the same dies). Good VF, attractively toned, scattered light marks.
5. https://www.biddr.com/auctions/nomos/browse?a=1363&l=1450234 Auction 21 Lotto 67 SICILY. Entella. Punic issues, circa 320-315 BC. Descrizione SICILY. Entella. Punic issues, circa 320-315 BC. Tetradrachm (Silver, 25mm, 17.18g, 2h). Head of Persephone to left, wearing wreath of wheat leaves, triple pendant earring and pearl necklace; around her head, four dolphins. Rev. 'MMHNT Horse's head to left; behind, date palm. Jenkins, Punic 186. (O55/R163, this coin unrecorded). Toned, well-centered, well-struck, and particularly attractive. Minor marks, otherwise, extremely fine. From the collection of W. Belser, Zürich, prior to 1965, and that of his son, acquired in the early 1970s. Price realized 4'000 CHF Starting price 3'200 CHF. Estimate 4'000 CHF.
6. https://www.cngcoins.com/Coin.aspx?CoinID=44909 80, Lot: 9. Estimate $1500. Sold for $1211. SICILY, Siculo-Punic. Circa 320-300 BC. AR Tetradrachm (29mm, 16.51g). "People of the Camp" mint. Head of Arethusa left, four dolphins around / Horse's head left, palm tree behind; Punic 'MMHNT' below. Jenkins, SNR 57, 186 (O55/R163). EF, some edge roughness.
7. https://images.auex.de/img/5//96/00193Q00.jpg Lot 193 Tetradrachme 320/300 v. Chr. Kopf der Kore Persephone, umgeben von 3 Delphinen / Pferdekopf vor Dattelpalme, im Abschnitt punische Legende. HGC 284 Jenkins, Punic 186 (O55/R163) 16.71g. Dunkle Kabinettstönung Gutes Sehr schön. Result 1.300€. My Bid Estim. Price 1.500€.
8. https://www.cngcoins.com/Coin.aspx?CoinID=75943 Sale: Triton IX, Lot: 715. Estimate $7500. Closing Date: Monday, 9 January 2006. Sold For $13000. SICILY, Siculo-Punic. Circa 320/315-300 BC. AR Tetradrachm (17.20g, 2h). Wreathed head of Arethusa left, wearing triple-pendant earring and necklace; four dolphins around / Horse head left; palm tree to right, Punic 'MMHNT below. Jenkins, Punic, Series 3a, 186 (O55/R163); SNG Copenhagen (Zeugitania) 84 = SNG Copenhagen (Sicily) 979; SNG Lloyd 1638/1636 (same obv./rev. die); SNG Fitzwilliam 1484 (same dies); Boston MFA 496 (same dies); Dewing 981 (same dies); De Luynes 1460 (same dies). Superb EF, wonderful old cabinet tone. Practically as struck. ($7500). Ex Leu 86 (5 May 2003), lot 302.
9. https://www.numisbids.com/n.php?p=lot&sid=6881&lot=31007 Heritage World Coin Auctions Hong Kong Signature Sale 3108  21-23 Jun 2023 Lot 31007 Starting price: 2500 USD Price realized: 6000 USD. Ancients SICILY. Siculo-Punic. Ca. 320-300 BC. AR tetradrachm (26mm, 17.07g, 12h). NGC Choice XF 5/5 - 4/5, Fine Style. Head of Arethusa left, wreathed with reeds, wearing pearl necklace and triple drop pendant earring; four dolphins swimming around, dotted border / MMHNT' (Punic, "People of the Camp"), horse head left; palm tree with two clusters of dates behind, linear border. SNG Copenhagen 979. HGC 2, 284. Charcoal silhouette toning is complimented by luxurious bursts of rose and cerulean. The location of the main Carthaginian mint in Sicily identified by Punic inscription as "The Camp" has long been a matter of conjecture and dispute. Recent research, adopted by Oliver Hoover in his Handbook of Coins of Sicily (CNG 2012), suggests the "Camp" mint to have been Entella, a fortress-like city located in central-west Sicily. Founded by the Trojans in the 500s BC, Entella was conquered by a group of Campanian mercenaries in about 410 BC who quickly sold their services to the Carthaginians (alternatively, the Campanians might have been employed by Carthage before they took the city). The city remained a Punic stronghold through most of the fourth century, although the Syracusan tyrant Timoleon briefly drove them out circa 342 BC (a peace treaty dividing Sicily, into Greek and Carthaginian spheres of interest in 338 BC, returned Entella to Punic control). The Siculo-Punic coinage of Entella seems to have been intended mainly to pay mercenary soldiers who were used to being paid in Greek coin, as the silver tetradrachms adhere closely to the Attic weight standard. Designs were usually based on the ubiquitous issues of Syracuse (obverse), but with reverses displaying their Carthaginian allegiance (the palm tree, phonix in Greek, is likely a canting pun on the term Phoenician). Horses also feature prominently, likely referring to the outstanding cavalry of the Carthaginians and their Campanian allies.
10. https://www.numisbids.com/n.php?p=lot&sid=1081&lot=19 Classical Numismatic Group, LLC Auction 99 13 May 2015 Lot 19 Estimate: 2000 USD. Price realized: 2000 USD. SICILY, Entella. Punic issues. Circa 320/15-300 BC. AR Tetradrachm (25mm, 17.11g, 4h). Wreathed head of Arethusa left; four dolphins around / Head of horse left; palm tree to right, Punic 'MMḤNT below. Jenkins, Punic 151 (O47/R136); HGC 2, 284; SNG Fitzwilliam 1487 (same obv. die); SNG Lloyd 1631 (same obv. die). Good VF, toned, a few light marks on obverse. From the Patrick H. James Collection. Ex Classical Numismatic Group 57 (4 April 2001), lot 137.

Veniamo alle conclusioni. Per valutare sotto ogni aspetto la moneta di figura, ho realizzato la tabella di confronto allegata nella quale ho riportato le caratteristiche fisiche e il valore venale di ciascuna delle monete reperite nel web. Si noterà che le caratteristiche fisiche del campione in esame si collocano in grandi linee all'interno dello spazio di variazione delle monete autentiche reperite nel web. Ciò premesso però, non convince la guancia piatta di Tanit, il busto piatto del cavallo, le lettere della leggenda, prive dei dettagli che si rilevano nelle monete autentiche reperite nel web. La moneta andrebbe osservata da vicino ma potrebbe trattarsi del calco di un tetradrammo punico.

Un saluto cordiale.
Giulio De Florio

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Note:
(1) Tetradrammo (argento). Raccolgo in tabella le caratteristiche fisiche delle monete della tipologia di figura reperite nel web:

Riferimenti	Peso(g)	Diametro(mm)	Asse di conio (h)
Link1	17,39	23	6
Link2	17,20	-	2
Link3	16,68	25,5	3
Link4	17,21	25	9
Link5	17,18	25	2
Link6	16,51	29	-
Link7	16,71	-	-
Link8	17,14	-	-
Link9	17,07	26	12
Link10	17,11	25	4

Si evince dalla tabella che le caratteristiche fisiche della moneta in esame (16g, 26mm, 12h) rientrano in grandi linee nei margini di variabilità delle monete autentiche dello stesso tipo reperite nel web.
(2) Per le notizie sulla dea Tanit/Core/Kore rimando alla trattazione del sito http://en.wikipedia.org/wiki/Tanit o alla relativa versione in italiano, https://it.wikipedia.org/wiki/Tanit. La moneta fu battuta nel nome di Cartagine nella Sicilia Punica, dove Tanit, rappresentata sul dritto, era la dea patrona.
(3) Riferisce Barclay Head nel suo Historia Numorum (v. link) che Cartagine, con la sua popolazione di circa 700.000 abitanti non fece uso di moneta sino alla grande invasione della Sicilia nel 410 a. C. Il contatto con i Greci e le necessità belliche costituirono l'occasione immediata per dare inizio alla monetazione. I Punici appresero dai Greci l'arte della coniazione e questo salta evidente quando si considera che, nelle loro prime emissioni, adottarono per il dritto delle loro monete il tipo siculo Persefone/Core e uno stile inconfondibilmente greco. Il cavallo è un simbolo attestato del popolo cartaginese (v. Eneide, libro I, 442 e segg.: "..qui, sbattuti dai flutti e dai turbini, i Punici scavarono il segno che aveva mostrato loro Giunone sovrana, la testa d'un ardente cavallo."). Si vorrà notare a questo proposito che Tanit era venerata in Nord Africa sotto il nome latino di Juno Caelestis, a causa della sua identificazione con la dea romana Giunone.
(4) , luogo di emissione, significa "popolo del campo" ("People of the Camp") che non può essere associato ad una specifica località della Sicilia (v. link).