Lot 393 367th. Auction - 393

10 c. black with ample to large margins, tied by circle of bars to uncomplete lettersheet (2 side flaps missing) with adjacent "LUXEMBOURG 23 MAR 55", "PD" and circle "W" to Kehlen, stamp with slight wrinkles, otherwise fine, sign. FSPL and Goebel, certificate Böttger BPP (2016)