Watch List notes:

BYZANTINE EMPIRE. Theodore II Ducas-Lascaris, 1254-1258. Hyperpyron, Magnesia. Christ seated on throne without back. IC - XC in upper field. K - Θ on left and right. Rv. ΠO(....) Emperor standing on left in loros, holding labarum. Virgin on r. crowning emperor. 4.38 g. Sear type 2136. DOC -, cf. pl. 34, 9-14. Probably unpublished in literature. Extremely rare. Scyphate type. Some weakness. Very fine-good very fine.
(~€ 700/USD 810)
Ex auction Leu Numismatica/NAC, Zurich May 1993, lot 313, and ex auction Bonhams/Vecchi, London 1980, lot 387.