Hybrid or New Emission?

CNG 97, Lot: 175. Estimate $1000. Sold for $750. This amount does not include the buyer’s fee.

LESBOS, Mytilene. Circa 521-478 BC. EL Hekte (11mm, 2.46 g, 5h). Ram’s head left; below, cock standing right, pecking at the ground / Incuse head of lion right; rectangular punch to left. Cf. Bodenstedt Em. 21 (for obv.) / 2, 15, 16, 20, and 26 (for rev.); cf. HGC 6, 947/941; Lanz 154, lot 163 (same dies); Lanz 146 (25 May 2009), lot 175 (same dies); Gemini X, lot 113 (same dies). VF, a few light marks. Extremely rare hybrid, apparently the fourth known.

At first glance, it appears that this coin is a hybrid of an obverse of Bodenstedt em. 21 (ram’s head left with cock below) and the reverse of either Bodenstedt em. 2, 15, 16, 20, or 26 (incuse lion’s head right). However, the reverse die used here does not match any of those published in Bodenstedt, nor any of those in CoinArchives. The obverse die used here is also not known for any published specimen of emission 21. Therefore, it is quite possible that these coins represent a different emission rather than a hybrid.