COMORO ISLANDS (1954) Coelacanth (prehistoric fish)*. Trail color proof. Scott No J3. Yvert No TT3
AVAILABLE AT $25
CHAD (1967) Rock paintings (masked dancers)*. Trial color proof pair. Scott No C38, Yvert No PA42.
AVAILABLE AT $15
SENEGAL (1967) Lyre-shaped megalith*. Trial color proof strip of 3. Scott No 295, Yvert No 300.
AVAILABLE AT $50