CHAD (1961) Archet gorge*. Addax*. Deluxe sheet. Scott No 82, Yvert No 78.
AVAILABLE AT $15
MAURITANIA (1968) Amogjar Pass*. Deluxe sheet. Scott No 247, Yvert No 249.
AVAILABLE AT $15
FRANCE (1980) Heat arising from Earth*. Deluxe sheet. International Geological Conference. Scott No 1711, Yvert No 2093.
AVAILABLE AT $20
F.S.A.T. (1981) Glacial landscape*. Deluxe sheet. Scott No C64, Yvert No PA66.
AVAILABLE AT $20
F.S.A.T. (1984) Glaciers*. Snowflakes*. Set of 2 deluxe sheet. Scott Nos 105-6, Yvert Nos 102-3.
AVAILABLE AT $25
F.S.A.T. (1994) Dumoulin*. Sailing ship*. Magnetometer*. Deluxe sheet of triptych with label. Measuring Earth's magnetic field. Dumoulin was a hydrographic engineer who charted many of these waters. Scott No 200a, Yvert No 193A.Hard to find!]
AVAILABLE AT $40
MOROCCO (1942) Valley of Draa*. Deluxe sheet with glassine overlay. Scott Nos 163a, Yvert No 180.
AVAILABLE AT $20