David Feldman's 22nd Rarities of the World Auction June 6, 2019

Rarities of the World – 140 – 60121 H Isfila YP149 var 1881 “Empire” 20pa black perf.13 1/2 showing variety background colour (rose) omitted, postally used with mute barred blue cancel, very fine Expertise: Cert. Sismondo (2015) with a detailed analysis commenting that the stamp is printed on fairly rough paper compared to the smooth paper of the issued stamps and therefore does not believe that it is a simple variety, but possibly a short-lived trial printing on poor quality paper which, to his knowledge, has not been recorded in standard or specialised literature Estimate: € 3’000 - 5’000 Turkey – Eastern Rumelia