Silver Tax, 1942, $2 gray, "SERIES 5942" Error (Scott RG96a), the middle stamp in a choice horizontal strip of 3 with two normal, o.g., never hinged, fresh and bright, Very Fine, with a 2016 P.F. certificate.
An extraordinary example of this rare variety. Scott $1,670 as hinged singles Estimate $1,500-2,000 (Image)