MONACO (1966) 35th Grand Prix. Trial color proof block of 4. Scott No 629, Yvert No 689.
AVAILABLE AT $50
NIGER (1969g) Motor caravan* crossing mountains*. Trial color proof pair. Black Tour across Africa - Colomb-Bechar, Algeria to Mombassa, Dar-Es-Salaam, Mozambique, Tananarive and Cape of Good Hope. Scott No C116, Yvert No PA116.
AVAILABLE AT $15
MONACO (1975) Isotta Fraschini 1928*. Trial color proofs in strip of 5. Scott No 982, Yvert No 1020.
AVAILABLE AT $90
MONACO (1963) Henry Ford*. Model A*. Trial color proof. Scott No 545, Yvert No 632.
AVAILABLE AT $12