10c. green-yellow. Imperforatees margins. Superb. (Image)

10c. green. Rivadavia. cancelled Very Fine. (Image)

Airmail. + 11/12/13 + 17/19. 10 values. MUESTRA overload. Superb. (Image)

Airmail. Complete series. Blue overload. 5 values. Superb. (Image)

5 values. N°3 x 2. With and without rubber. Very Fine. (Image)

Leopold II series on the right. 5F. purple overloaded SPECIMEN. Small flaws. KAISER certificate. Fine. (Image)

5F. violet + 5F. grey. cancelled Very Fine. (Image)

10F. green. Serrated 12. Very Fine. (Image)

50c. olive-yellow. Type Mols. Local ''CONGO BELGE'' overload with type V. Rare on this colour. Superb. (Image)

15c. on 50c. olive. 1921 salvage issue. Beginning of a second overload "BELGIAN CONGO". Sheet margin. Superb. R. (Image)

5F. red. Type II overload. Very Fine. (Image)

2F.50 carmine-red. Saddle picking. Corner sheet margin with print mark. Superb. (Image)

Postal parcels. 2 values. Very Fine. (Image)

Postal parcels. 5F. grey. Small eraser. Fine. (Image)

50c. Block of 4. Corner of the sheet. Superb. (Image)

500c. black. cancelled Superb. (Image)

Complete series. 4 values. Superb. (Image)

EDIFIL#2A+2Ae + 3A+3Ae + 3A+3Aea. Reversed Overload Pair Holding To Normal. Superb. (Image)

15c. on 50c. Brown + 40c. on 1p. lilac. Green surcharge. Copy GRAUS certificate. Very Fine. (Image)

1p. green. Red overload. Superb. (Image)

Sf n°67A. Series of 17 values. Superb ''MUESTRA'' overload. R. (Image)

Complete series. 17 values. Very Fine. (Image)

5c. orange-yellow. Thin paper. Superb. R. (Image)

10c. Bolivian green on incomplete letter. Very graImperforatee rarity. Superb. (Image)

5c. blue. Head-to-toe pair in block of 12. Exceptional quality for this South American rarity. Ex Nauburger and Goeggel Collection. Superb. (Image)