| LEGEND | Bid Sheet (English) | Ordre d'achat (Français) |
| Lot No | Type | Description | Result |
| 971 | VAR |
U.S.A. (1952) Grand Coulee dam. Misperforation resulting in bottom of stamp appearing at top. Scott No 1009, Yvert No 560.
|
AVAILABLE AT $40 |
| 972 | EL |
FRANCE (1969) Vouglans-Dura dam. Power lines. Deluxe sheet. Scott No 1233, Yvert No 1583.
|
AVAILABLE AT $25 |
| 973 | ND |
TOGO (1987) Nangbeto dam. Imperforate corner block of 4. Scott No 1417.
|
AVAILABLE AT $20 |
| Lot No | Type | Description | Result |
| 495 | ESS |
UNITED NATIONS (1989) Hydroelectric dam. Set of 6 imperforate progressive proofs. Scott No 546, Yvert No 559. World Bank. From the UN printer archives. Rare!
|
AVAILABLE AT $50 |
| 1068 | EL |
GABON (1973) Kinguélé Dam & Hydroelectric Station. Deluxe sheet of triptych. Scott No C140a, Yvert No PA140a.
|
AVAILABLE AT $40 |
| 2843 | ND |
GABON (1968) Dam. Power station. UNESCO emblem. Imperforate pair. Hydrological Decade (UNESCO). Scott No 227, Yvert No 226.
|
AVAILABLE AT $10 |