Bulgaria. 1866-68 DDSG: Selection of 10Kr green (8), 10Kr dull lilac (2) and 17Kr red perf. 12, all bearing postmarks of Sistov, Rustzuk, scarce Tortukai and Lom Polanka, mixed to superb, an interesting specialist group. (Image)

Bulgaria. 1869 Entire letter from Sistov to Rustschuk, franked by DDSG 10kr green, type I featuring plate flaws in "1" of "10" and broken frame above "Gesellschaft", usual irregular perfs, tied by blue "28/7" circle hs, filing fold clear of the franking. (Image)

Bulgaria. 1873 Cover from Rustschuk to Galatz (Romania), bearing DDSG 10kr green, type I with rare plate flaw featuring broken "h" in "Gesellschaft", very lightly affected by horizontal filing fold at top, uncommonly entering the Romanian mail with corresponding cds on back and charged with 20 bani in blue crayon on front. (Image)