1 / 30 th. / 1 Sgr. black, network red carmine used "Osnabrueck" on piece, the stamp shows deep rich colors and shows except for slight cutting defects a pasted up tear above as well a small fissure at the bottom, no further defects, photo expertize Jäschke -L. BPP, Michel 600.- undervalued, the b-colour is very rare!