FRANCE (1952) Poincaré. Die proof in black signed by the engraver PHEULPIN. Scott No B270, Yvert No 933. Rare!
FRANCE (1958) Joseph-Louis Lagrange. Trial color proof. Scott No 869, Yvert No 1146.
| LEGEND | Bid Sheet (English) | Ordre d'achat (Français) |
| Lot No | Type | Description | Reserve | Estimate |
| 7153 | EA |
FRANCE (1952) Poincaré. Die proof in black signed by the engraver PHEULPIN. Scott No B270, Yvert No 933. Rare!
| $140 | $175 |
| 7154 | ESS |
FRANCE (1958) Joseph-Louis Lagrange. Trial color proof. Scott No 869, Yvert No 1146.
| $20 | $25 |
| Lot No | Type | Description | Reserve | Estimate |
| 7665 | EL |
BENIN (1977) Newton. Heavenly bodies. Deluxe sheet. Scott No C276, Yvert No PA280.
| $25 | $30 |
| 8200 | EMA |
U.S.A. (1961) Fluid. Viscosity measurement. Blue meter cancellation on piece Pitney Bowes No 129562: "World Leader in Viscosity measurement."
| $25 | $30 |