2 covers carried on board "1st CONCORDE Flight BA London - Washington DC 1976" Captain signed (COBA76-5-24D2)

COBA76-5-24D2: 2 British Airways covers carried on board “1st Concorde commercial flight, British Airways, London - Washington DC and return, May 24-25, 1976” - Captain signed -

- 11p UK postage “Telephone and Austin Mini” postmarked Heathrow Airport “Concorde” May 24, 1976

- Washington DC arrival postmark on reverse

- 13c USA postage “Oklahoma” postmarked Washington DC May 25, 1976

- London arrival postmark on reverse

Authentic signatures of Captains BJ. Calvert and NV. Todd

Rare