Four Consecutive: $1 1988-A FRN Complete Back to Face Offset Errors Magna Quad Press Gem

$1 1988-A FRN Set of Four Consecutive Offsets The offset or wet ink transfer places a retrograde image on the wrong side of the bill. Within the printing industry, including the Bureau of Engraving and Printing (BEP), offsets carry the designation of blanket impressions.” Four notes consecutively printed on the Magna quad press hence a skip of 4 serial numbers between sheets. Each has a 100% Back to Face offset. The highest numbered note is the darkest and the impression lightens on each successive note. All notes are Gem.