unused 2a. blue, variety "Br1tish" [120], mint with very slightly toned gum. Clear B.P.A. certificate (1974). S.G. 52b, £275 | Christie's

拍品 187

187

unused 2a. blue, variety "Br1tish" [120], mint with very slightly toned gum. Clear B.P.A. certificate (1974). S.G. 52b, £275

细节

unused 2a. blue, variety "Br1tish" [120], mint with very slightly toned gum. Clear B.P.A. certificate (1974). S.G. 52b, £275