Bidspirit auction | United States

United States - 1971, John Sloan, 8c multicolored, right sheet margin horizontal pair, right stamp has red engraved color missing due to strong color misregistration (black and red engraved colors greatly shifted to the left), full OG, NH, VF and rare, C.v. $950 for stamp with missing red color only, Est. $400-$500, Sc. #1433b