1891, Prince Albert I, 1c olive green, horizontal gutter pair without the number, in addition right stamp has no nose of ''1'' variety, full OG, NH, VF, Dallay #11, c, €1,100 as for gutter pair w/o variety (Image)

1891-94, Prince Albert I, 5fr rose on green colored paper, perforation 11, top sheet margin single, full OG, nice and fresh condition, full OG, NH, VF, expertized by R. Calves, C.v. $2,000 as hinged, Dallay #21A, €2,500 (Image)

1964, President John Kennedy, 50c bright blue and indigo, vertical imperforated pair, specially issued perforated and imperforated souvenir sheets of one, as well as imperforated epreuve de luxe sheet, the last one has no gum as produced, others with full OG, NH, VF, Dallay BS8, €1,300 (Image)

Air Post stamps. 1955, Sea Birds, 100fr-1000fr, imperforated trail color proofs, four for each denomination in different colors, the total is 16 proofs, full OG, NH, VF (Image)

Semi - Postal issues. 1947, 25th Anniversary of the Reign of Prince Louis II, 200fr+300fr brown and red, imperforated souvenir of one, printed on bluish paper, full OG, NH, VF, Yvert Bloc 2A, €1,435 (Image)

Telephone stamp. 1886, Prince Albert I, 50c brown, printed on yellow thick paper, perforation 13½, no gum as produced, NH, VF, C.v. €575 (Image)