10 cent. blue with inverted centerpiece

Lot nr. 3749 Kwaliteit: *

N° 18B, perforation 14, inverted centre, position frame 49 centre 2, certificates of Luc vander Marcken, Michaux and Tavano, vf (OBP €5.000) - zie foto kaft

Lot nr. 3750 Kwaliteit: 0

N° 18A, perforation 15, inverted centre, blue cancel "LEOPOLDVILLE", position frame 32, centre 19, certificate Luc vander Marcken, vf (OBP €5.000) - zie foto kaft

Lot nr. 3751 Kwaliteit: *

N° 18B, perforation 14, inverted centre, position frame 42 centre 9, certificate Luc vander Marcken, vf (OBP €5.000) - zie foto kaft

Lot nr. 3752 Kwaliteit: 0

N° 18A, perforation 15, inverted centre, faint blue cancel, position 7 frame and centre 4, certificates Kaiser + Luc vander Marcken, f (OBP €5.000) - zie foto kaft

Lot nr. 3753 Kwaliteit: *

N° 18B, perforation 14, inverted centre position frame 34 centre 17, certificates BCSC + Luc vander Marcken, vf (OBP €5.000) - zie foto kaft

Lot nr. 3754 Kwaliteit: *

N° 18B, perforation 14, inverted position frame center 31, certificates Luc vander Marcken, Michaux, Tavano, vf (OBP €5.000) - zie foto kaft

Lot nr. 3755 Kwaliteit: *

N° 18B, perforation 14, inverted centre, position frame 18 centre 33, certificate Luc vander Marcken, vf (OBP €5.000) - zie foto kaft

Lot nr. 3756 Kwaliteit: *

N° 18B, perforation 14, inverted centre, position frame 4 and centre 47, certificate Luc vander Marcken, vf (OBP €5.000) - zie foto kaft

Lot nr. 3757 Kwaliteit: *

N° 18B, perforation 14, inverted center, small tone point, position 33 frame and centre 18, certificate Luc vander Marcken, vf (OBP €5.000) - zie foto kaft