A VF cover from the opening of the Bily Bishop Heritage museum in 1987 during CAPEX, containing a brochure, letter, return address envelope and a commemorative card, franked with the 1979 Flying Boats issue, and a cover for Canada Day 1991, flown by the Snowbirds over Parliament Hill. Franked with a 1991 Canada day stamp, tied with Ottawa Postal museum commemorative cancel. Net Est. $5.
