FRANCE (1976) Fairs & Expositions*. Trial color proof strip of 5. Scott No 1504, Yvert No 1909.
AVAILABLE AT $80
NEW CALEDONIA (1972) Round hut*. Trial color proofs in full sheet of 25. South Pacific Arts Festival. Scott No C92, Yvert No PA132.
AVAILABLE AT $325
SPAIN (1930) Spanish-American Union Exhibition. Collection of perforate and imperforate trial color proofs (1 pair) in unissued colors. Scott Nos 433//E9. Very rare! Note: 1p value is creased.
AVAILABLE AT $250
GUINEA (1964) New York World Fair*. Trial color proof gutter pair of S/S. Scott No C63.
AVAILABLE AT $30
GUINEA (1965) New York World Fair*. Trial color proof gutter pair of S/S. Scott No C69. Same colors as C70.
AVAILABLE AT $30
GUINEA (1965) New York World Fair*. Trial color proof gutter pair of center vignette of S/S. Scott No C69.
AVAILABLE AT $30
GUINEA (1965) New York World Fair*. Imperforate gutter pair of center vignette of S/S. Scott No C70.
AVAILABLE AT $30