Proofs

Lot number 3356 Quality: ❒

N° 27 "3.50fr. vermilion", imperforate sheet edge, imperforate plate proof, position 48/49, "tirage 1905", no gum as issued, rare, certificate Luc vander Marcken, vf (OBP €1,000)

Lot number 3357 Quality: */❒

N° 29 "10fr. green", imperforate block of 4, plate proof imperforate, no gum as issued, positions 33, 34, 38 and 39, "tirage 1898", rare, certificate Luc vander Marcken, vf (OBP €2,000)