used 18Kr. orange-yellow with 7mm. sheet margin at left and good to large margins on other sides, lightly cancelled by open cogwheel "28". Superb. Signed Pfenninger. M.7. Sem D.M. 700. Photo | Christie's

拍品 1138

1138

used 18Kr. orange-yellow with 7mm. sheet margin at left and good to large margins on other sides, lightly cancelled by open cogwheel "28". Superb. Signed Pfenninger. M.7. Sem D.M. 700. Photo

細節

used 18Kr. orange-yellow with 7mm. sheet margin at left and good to large margins on other sides, lightly cancelled by open cogwheel "28". Superb. Signed Pfenninger. M.7. Sem D.M. 700. Photo