1937-38, surcharges on Postage Due stamps, block of four 40(c)/60c and two horizontal pairs 65(c)/1f and 85 (c)/1f, small "0", wide "6" and spaced denomination varieties with normal stamps, full OG, NH, VF, Dallay #155/58, a, €631++

100.00

1948, In Memory of Sculptor Francois J. Bosio, 50c-4f, 5+5f - 15+25f, postage and air post, two complete sets of five or four epreuves de luxe, in addition two epreuves de luxe collective of five or four values, sunken die in excellent quality, no gum as produced, NH, VF, Dallay #316-20, PA28-31, €810
Click the numbers below to see additional images:
2, 3, 4, 5, 6

150.00

1956, President Dwight Eisenhower, 5fr brown red, complete sheet of 25, in addition imperforated sheet of 25 trial color proofs, both with control markings on margin, full OG, NH, VF (website photo)

50.00

1956, Wedding of Prince Rainier III to Grace Kelly, 1fr-15fr and 100fr-500fr, complete set of two souvenir sheets of five or three values, postage and air post, full OG, NH, VF, Yvert #BF5-6, €635

100.00

1964, Summer and Winter Olympic Games, 1c-5f, special imperforated souvenir sheet of five values, nice condition, full OG, NH, VF, Yvert BF 7, €915

150.00

1964, President John Kennedy, 50c bright blue and indigo, vertical imperforated pair, specially issued perforated and imperforated souvenir sheets and imperforated epreuve de luxe sheet, the last one has no gum as produced, others with full OG, NH, VF, Yvert #658, BS8, €1,610

200.00

1989, 25th Anniversary of the Princess Grace Foundation, imperforated souvenir sheet of two stamps of 5f deep blue, full OG, NH, VF, Yvert BF48, €465

75.00

1992, Postal Museum, 10fr red and 10fr olive brown, perforated and imperforated souvenir sheets of two stamps, both without cachet, full OG, NH, VF and quite scarce, Yvert BF58A, 58Aa, €3,500, Dallay BF1876A, €4,350

600.00

1955, Sea Birds, 100fr-1000fr, five complete sets of four imperforated trial color proofs, different colors for each denomination, full OG, NH, VF

400.00