Proof Specimen Block of Four ½d. in purple and blue, a block of four on ungummed unwatermarked paper, each overprinted "SPECIMEN", fine | Christie's

Lot 438

438

Proof Specimen Block of Four ½d. in purple and blue, a block of four on ungummed unwatermarked paper, each overprinted "SPECIMEN", fine

Details

Proof Specimen Block of Four ½d. in purple and blue, a block of four on ungummed unwatermarked paper, each overprinted "SPECIMEN", fine