I've got this coin. Seller says it's Сrimea Melek Hacı I Geray Silver Akche AH871-1466AD.
I don't have a Crimean Catalogue and couldn't find information about it.
Can anybody help me??
Giray Khans of Crimea, Hajji Giray, 1430-1466, Qrim mint, AH "867". According to Steve Album in his Checklist (3rd ed., p. 225, #2068, following Retowski) coins of this Qrim variety are "seemingly dated 867" or "blundered date versions" thereof. What your seller reads as 871, therefore, is likely a blundered 867.