© 2017 Darrell Drury - Royal Engineers First Day Covers
European Days 1973 - Iserlohn 30th May to the 6th June - backBack of envelope:
Cachet: Open Day 26 Engineer Regiment. Islerlohn 31 May 1973. In blue ink.
Cachet: European Mayors Conference Iserlohn 1973. In blue ink.
Cachet: Iserlohn 1973 Shutzenfest, European Days, Philatelic Bureau NWE. In blue ink