German sea mail SHANGHAI-TIENTSIN d 8.4.08 (steamer Peiho), on letter piece with Kiautschou 4 C. Imperial yacht, faultless superb in every respect piece of letter, very rare stamp, photo expertize Jäschke Lantelme BPP (2015) "the stamp on letter piece has fresh colours, well perforated and is in faultless, used condition. "