German sea mail SHANGHAI-TIENTSIN d 8.4.08 (steamer Peiho), on 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 piece has fresh colors, well perforated and is in faultless, used condition. "