Lot no. 1273

1880, 1 pia. black/blue gray, tied by Aksaray arabic cancel, to reverse of cover to Lofca,Bulgaria, additionally franked for the (new) foreign destination with 1876/77, ¼ pia., tied by blue Istanbul cds.; adjacent blue Cyrillic "RUSCUK 7 5 80". A very rare and interesting cover. Certificate TOPS