Proof Block of Four 1d. grey-black and deep carmine-red, an imperforate plate proof block of four on gummed watermarked paper; cut close at top. Very rare. Photo | Christie's

Lot 1357

1357

Proof Block of Four 1d. grey-black and deep carmine-red, an imperforate plate proof block of four on gummed watermarked paper; cut close at top. Very rare. Photo

Details

Proof Block of Four 1d. grey-black and deep carmine-red, an imperforate plate proof block of four on gummed watermarked paper; cut close at top. Very rare. Photo