Selection (6) sunken die deluxe trial color proofs, all signed by artist or engraver; 1954 Stamp Day #296 (2) in black on diff papers, signed Mazelin, one from Prince Rainier collection; 1949 Stamp Day B42 (2) in violet & green, both signed Rene Cottet, both from Rainier collection; 1950 Stamp Day CB35 dark brown, signed Gandon, actually an essay since the line following the flight path is absent; 1952 Stamp Day CB42 in black signed Mazelin, Rainier collection; all VF (ex-Sismondo) (Image)

Est. $250-350 LE

Mounted on quad pgs from 1940 w/ (100s) */**/O incl unused #256-58, 259-60, 267-69 & (2) sets of color imperf proofs, 284, 288, 309, B21-24, B29-31, B42, B48-49, C32, C33, C47-50, CB31-34, J28-33 & much more, gen F-VF (Image)

Est. $300-450 LE