2-840-149 - Heritage Art/Heritage Images

3c American Authors Ralph Waldo Emerson die proof attached to plate proof, 14612. Certified plate proofs are the last printed proof of the plate before printing the stamps at the Bureau of Engraving and Printing. These plate proofs are each unique, with the approval signatures and date. For postal scholars these plates provide important production information in the plate margin inscriptions, including guidelines, plate numbers, and initials of the siderographer, or person who created the plate from a transfer roll.;This die proof with the correct color is attached to the proof of plate no. 22491, which has "wrong color" written on it.;Plate No. 22491;Denomination: 3c;Subject: Ralph Waldo Emerson;Color: bright red violet.