1891 5fr rose on green, perf. 11, top sheet margin single, n.h., usual centering and perforations, signed Roger Calves. A rare perforation variety from Monaco (catalogued as hinged)
Catalog Value $2,000
1952 Helsinki Olympics Issue, imperforate singles, gummed trial color proofs, l.h.; also Birds, complete set n.h., v.f.
1971 2fr Durer, unissued "Albert" instead of "Albrecht", n.h., v.f., with regular stamp included for comparison (YT 876A)
Catalog Value €5,500