TCHAD (1966) Outils préhistoriques*. Yvert No 132-5. Scott No 134-7. Séries de 4 épreuves de luxe.
AVAILABLE AT $65
SENEGAL (1967) Lyre-shaped megalith*. Deluxe sheet. Scott No 295, Yvert No 300.
AVAILABLE AT $20
SENEGAL (1967) Bandiala ancient covered bowl*. Deluxe sheet. Scott No 296, Yvert No 301.
AVAILABLE AT $20
FRANCE (1979) Wall painting, Niaux cave*. Deluxe sheet. Scott No 1642, Yvert No 2043.
AVAILABLE AT $20
FRANCE (1981) Horse*. Deer*. Deluxe sheet. Precancel. Scott No 1721, Yvert No PRE172. Cave drawings at Font-Le-Gaume.
AVAILABLE AT $12
NEW CALEDONIA (1990) Petroglyphs*. Deluxe sheets. Scott Nos 634-5, Yvert No 597,PA268.
AVAILABLE AT $25
FRANCE (1993) Beehive*. Museum of Natural History*. Bloc gommé. Scott No 2363, Yvert No 2812.
AVAILABLE AT $90