Bidspirit auction | United States - Modern Errors

United States - Modern Errors and Varieties - 1985, John J. Audubon, 22c dark blue, horizontal strip of six and a half stamp at right, imperforate between 5th and 6th stamps, full OG, NH, VF and rare, Scott Errors Cat. mentioned 10 pairs in existence, C.v. $1,300, Est. $700- $800, Scott #1863f