on piece 18Kr. orange-yellow with 9Kr. yellowish green (Type I) on piece tied by cogwheel "356". Very fine. Signed Pfenninger. M.7 + 5d. Photo | Christie's

拍品 1143

1143

on piece 18Kr. orange-yellow with 9Kr. yellowish green (Type I) on piece tied by cogwheel "356". Very fine. Signed Pfenninger. M.7 + 5d. Photo

細節

on piece 18Kr. orange-yellow with 9Kr. yellowish green (Type I) on piece tied by cogwheel "356". Very fine. Signed Pfenninger. M.7 + 5d. Photo