United Kingdom commemorative stamps 1970–1979
The United Kingdom, known in philatelic circles as "Great Britain", released many commemorative stamps (postage stamps issued to honour or commemorate a place, event or person) in the 1970s. == History == The first adhesive postage stamp, the Penny Black, was introduced in the UK on 6 May 1840.
Source: Wikipedia — United Kingdom commemorative stamps 1970–1979 (CC BY-SA 4.0)