2, 6, 8, 12, 15 and 20 Pfg in each case with net pattern overprint only on the back (Michel. Numbers 36-38IIR, 40IIR, 41IIR, 43IIR (including the with - . Evaluated 37IIR) ** photo expertize H. G. Schlegel BPP "genuine, defects are missing. ", Michel 425.- the 37IIR