Canada #1187a, 1189a, 1190a 50c 1988-1990 Booklet Panes, A Group of 3 Canada Post Official First Day Covers
3 official Canada Post first day covers, featuring the 50c booklet panes, containing the 37c Parliament, 39c flag and 40c flag. singles of the $1 Runnymede Library, $2 McAdam Railway Station and $5 Bonsecours Market, plus a combination FDC of the $1 and $2.
The envelope with the 37c Parliament booklet is dull, while the two flag booklet covers are hibrite. I describe the properties of the envelopes for official FDC's because they are part of the official Canada Post Product, and are supposed to be standardized.
Unitrade cat is $4.35.