Canada 981a
Gary J. Lyon (Philatelist) Ltd.
Item # S007792

Canada 981a

1983 Thirty-two cent World University Games, lower right blank corner block showing the elusive PRINTED ON THE GUM SIDE ERROR – originating from the sole sheet of 50 ever found, making this a UNIQUE positional block. Postal clerk accounting mark in margin, choice, Very Fine, Never Hinged; 1986 Greene Foundation certificate (Unitrade 981a; catalogue value $5,250)
Regular price $2,950.00 $0.00 Unit price per
Tax included.