The 173. Corinphila auction features a lot (in comparison) of Armenian items. Many of which come with short opinions made by me.
Browse Armenian lots of the 173. Corinphila Auction
Lot 823 shows a genuine (in my opinion) overprint on a postal saving stamp. This truly is a nice and rare item. Both, Tchilinghirian and Ceresa had doubts that genuine items of this type exist.