174 (blue) - ELTVILLE, Duchy Nassau, centered, wonderful clear strike on on all sides full- till mostly wide margined 1 Kr. on gray green, provenance collection Henry Kohorn (HK green), expertized Horst Krause (HK red) and Sem BPP with reference slip of paper "in perfect condition (only in the large margin light) ". A connoisseurãs piece!