The "Wings Across Time" Air Canada set celebrates major aircraft used by Air Canada and its predecessor, Trans-Canada Air Lines. Based on the medals visible in your photo, the set includes:

• 1937 – Lockheed 10A Electra (the first aircraft used by Trans-Canada Air Lines)
• 1941 – Douglas DC-3
• 1955 – Vickers Viscount
• 1961 – Douglas DC-8
• 1971 – Boeing 747-200
• 1973 – Lockheed L-1011 TriStar
• 1976 – Boeing 727-200
• 1977 – Airbus A300 (one of the first North American operators)

The remaining medals in the set are typically additional Air Canada milestones and aircraft types from the airline's first 40 years.