Modified frame - Black printing

Lot number 3430 Quality: **

N° 64/71 Special black printing, very good condition, superb, photo certificate Luc vander Marcken, vf (OBP €600)

Lot number 3431 Quality: *

N° 64/71 "Mols 1915 issue", full set of special prints in black, all hinge with paper adhesion, uncommon, vf/f