RA3, Pombal Postal Tax issue UL vert IMPERF PROOF BLOCK OF 8. Has printer's violet ink correctional markings and red ink "Overptg Correct/for 438,400/stamps & overs/Improve ptg. etc./6/3/25' m/s plus initials in selvedge. Bottom 4 stamps are MISSING '15¢' and MADEIRA. VF, NG, 2 tiny pinholes and light bends in selvedge, usual punch holes. RARE and EXTRAORDINARY probably UNIQUE showpiece (Image)

Estimate 200.00+ $Cdn