A while ago we had a good thread on helmets: https://www.cointalk.com/threads/ancient-helmet-types.297306/ Of course, very many ancient coin types have helmets on some god, emperor, or personification. This one is different for depicting a helmet alone: AE. 20-19 mm. A Corinthian helmet right (no one wearing it) Oval Celtic shield. Reference works say "METAM" above [To me, the "T" looks more like an "M" or perhaps the "T" has huge vertical serifs down to the baseline. What letter is it really? A sideways sigma for the "S" in Mesembria? Because the reference works do not have better examples, that's my guess.] BPIANΩN below (left-to-right, which inclines me to orient the reverse this way, as opposed to the long axis of the shield up, which some references do.) Mid third-century BC, according to Stancomb. Mesembria, Thrace (Black Sea Area) SNG BM Black Sea 276v (their helmet is left, not right) SNG Stancomb 229-230 SNG Copenhagen 658. Sear Greek --. BMC Greek Thrace --. Those examples are in significantly lower condition than this one. I'm sure some of you have the silver facing helmet type from Mesembria. Show Us! Or, show any helmet-without-head you have.
I approve of this coin. I don't have a helmet without a head, but here is some armor that doesn't have a body or isn't part of a trophy display. Magnesia, Ionia. c. 400 BC Obv. Laureate head of Apollo left. Rev. Cuirass, M - A in fields. SNG Kayhan 393. 7 mm 0.5g
4 BCE-CE 6 Herod II Archelaus, Herodian Kings AE prutah 2.63g - 16mm Obv: Grape bunch on vine with a small leaf Rev: Crested helmet; caduceus to lower left. Reference: Hendin 1196
Tryphon, Diodotus Mint: Antioch 140/139 BC AE 18 Obvs: Head of Tryphon right diademed. Revs: BAΣΙΛEΩΣ TPYФΩNOΣ AYTOKPATOPOΣ, Spiked Macedonian helmet. AΣ left 18mm, 4.36g
With and without head: SICILY, Himera. AR litra 430-420 BC 11 x 12 mm, 0.68 gm Obv: bearded and helmeted head right Rev: Corinthian helmet right Ref: SNG Lloyd 1029 ex CNG Sale XXV, lot 71, 3/24/93 ex CNA II, lot 31
The control-mark of this series is a helmet: Roman Republic Æ quadrans(22.9mm, 9.66g). Anonymous(Helmet series), 206-195 B.C., Rome mint. Head of hercules right; behind ••• /Prow right; before, sow; above, ROMA; below, •••. Crawford 118/4; Sydenham 272c Ex RBW Collection, ex Goodman Collection, CNG 45 lot 1286.
I sold a very crisp example of one of the OP types to jwt recently. Since he hasn't posted it yet, I'll do the honors...
This helmet may be difficult to see. Sometimes instead of countermarking with a single die against a flat surface a pair of small dies are used. In this case a coin of Alexandria Troas was overstruck with a small helmet/gorgoneion pair. Alexandria Troas, AE16 3.96g 261-246 BC Bear head right / ?LE?A? horse countermarked or overstruck with 7mm helmet within circle of dots/gorgoneion Host coin looks like CNG e-95, lot 40, of Alexandria Troas. Reminds me of CNG 61, lot 264.
@John Anthony, the coin you posted has a "T" that look like a "T". One of the Stancomb coins looks very much like mine (not like a "T"), and the other Stancomb coin and the SNG BM coins are both obscure at that letter. It yours were the only example, the decision it is a "T" would be clear. With the other examples, I wonder what was intended. Maybe someone on the list knows enough Greek to explain why a coin from the city we call Mesembria would have a legend beginning "METAM".
Compare unsold Lot 11 to the one above that JA did sell. https://www.cointalk.com/conversations/jas-private-auction-94.212824/ I never could bring myself to putting it in my collection either. Even I have some standards.
Looking through the coins of Mesembria, I see the ethnic MEΣAMBPIANΩN as often as METAMBPIANΩN. Sometimes both versions occur on the same type. The sigma and tau were obviously interchangeable - was the T spelling part of a Thracian dialect? Perhaps the T and S were pronounced the same way? Like the soft T sound of the S in Castilian Spanish? Just ideas.