US Scott #RW1 mint never hinged block of 4 w/pl#, $1 blue Mallards Alighting 1934 Duck Stamp og fine centering, Clean & Fresh, see scans, $3,000 Catalog value, plus more for the plate #, seldom offered, good luck bidders, $4 for insured shipping on mail in the US or $15 registered mail out of usa, thanks