Canada #900-904ai 1981 Christmas & Aircraft, 4 Official FDC’s Bearing UR Inscription Blocks on DF Paper

A group of 4 VF Canada Post FDC’s bearing UR inscription blocks, all on DF paper.

Chung Cat. $7.25 for the basic covers. The plate block of the Aircraft stamps on DF paper catalogues $12 in Unitrade. Based on this we estimate the value of these covers at $10.