25 Pf diagonal overprint neat cancelled \"German sea mail new guinea branch line * a (Hong Kong). 9 00\", signed twice at the base Bothe BPP and photo expertize Dr. Hartung: \"fresh colours, very well perforated and in faultless, used condition. The sea mail cancel is perfect and counts to the type I to Friedemann. He is on this stamp by far less frequently than the as usual town cancel cancellations (Ponape, Yap). Michel 3.400.-