Watch List notes:

John III Ducas-Vatazes Æ Hyperpyron. Emperor of Nicaea. Uncertain mint, 1222-1254. Christ Pantokrator enthroned facing; annulet above throne to left, IC-XC across upper fields / John standing facing, holding labarum with two pellets on shaft and akakia, being blessed by the Theotokos; [I]Ѡ [..] Φ downwards to left, Θ[V] Ѡ [..] Φ [..] downwards to right. Roma Numismatics - Studia Nummorum 07122021#02, Sigla E, 61 (O2 - this coin); for prototype, cf. DOC 6b and Sear 2073. 2.63g, 26mm, 6h.

Mint State.

This coin cited in S. Bendall, 'An Unusual Hoard of Hyperpyra of John III' (2018), Roma Numismatics - Studia Nummorum 07122021#02. Available online at: romanumismatics.com/ejournal;
From the inventory of a UK dealer.