2, 50 Mk. Rose-carmine on large parcel card coupon with rks. 50 Pfg. Dark gray purple / black on bright chrome yellow, dual cancellation "Gdansk *1 o 2.9.20", stamp slightly over the margin fixed, therefore minimal buckling the perforation, tolerably due to the rarity this colour! Expertized Infla Berlin as well signed on the base Kniep BPP, Michel 700,- ++ ++ (former starting price 130)