5 Pfg Germania dark bluish green with violet blue overprint "LIBAU" in type I, cylinder upper margin piece (field 6), in perfect condition unused, photo expertize Nagler VP (2016) : "genuine and immaculate", Michel for normal stamp 300.- undervalued, unused values from Libau become rare offered, likewise is the type A much less frequently than the B-Type. Being an upper margin copy a rarity of this area!