![Proof Block of Four -- Harrison 1½d. pale grey-blue and brown perf. 14 plate proof block of four [23-24/28-29] on unwatermarked paper without gum; straight-edge at top, fine. Extremely rare. Photo](https://www.christies.com/img/LotImages/2001/SKS/2001_SKS_01280_0846_000(031413).jpg?w=1)
Details
Proof Block of Four -- Harrison 1½d. pale grey-blue and brown perf. 14 plate proof block of four [23-24/28-29] on unwatermarked paper without gum; straight-edge at top, fine. Extremely rare. Photo
Special notice
VAT rate of 5% is payable on hammer price plus buyer's premium.