1 Sgr. Reddish carmine, smooth ground, horizontal pair, right stamp with plate flaw \"outbreak over left numeral of value 1\", having full margins and having bright colours extremely fine copy, clear cancelled by two ring cancel \"COELN 1 11\" (government Bez. Cologne), photo expertize Flemming BPP (2008) : \"in perfect quality. With the plate flaw rare unit. \"