Danube Steam Navigation Co., 1866, 10kr lilac. Tied by blue "Lom-Palanka" oval agency cancellation to folded letter sheet addressed to Vienna, Austria, "Baziasch, 19.6" cds and Wien receiving backstamp, Very Fine and scarce; with 1992 Holcombe certificate. Michel No. 2  Estimate $300 - 400. $0 (Image)

Danube Steam Navigation Co., 1866, 10kr lilac. Tied by "Agentie D.D.S.G. Piquet" agency cancellation (Tchilingirian Ty. I, DH) with circular "18/3" postmark alongside, on 1867 folded letter sheet addressed to Galatz, Romania, Very Fine and scarce. Michel No. 2  Estimate $300 - 400. $0 (Image)

Danube Steam Navigation Co., 1866, 10kr lilac. Tied blue "Sistov" agency cancellation of 1868 folded letter to Orsova, Bulgaria; horiz file fold affecting stamp, otherwise Fine. Michel No. 2  Estimate $150 - 200. $0 (Image)