UNITED STATES – HIGH QUALITY SPECIALIST SELECTION: PROOFS, ESSAYS, AND SPECIMEN OVERPRINTS – 426634

UNITED STATES – HIGH QUALITY SPECIALIST SELECTION: PROOFS, ESSAYS, AND SPECIMEN OVERPRINTS – Fascinating selection of several dozen issues from the deep back-of-the-book portion of American philately! High catalog value, exceptional quality standards throughout, and no duplication – awesome resource packed with value! Gen. VERY FINE