CAFDA721s Canada Scott # 721 Stamp Launch FDC with signature!
First Day Cover. Ottawa 79.03.08
Signed Gilles Lamontagne, Postmaster General
Chung / Narbonne Specialized Catalogue: P115
Guests attending the official launch ceremony of a commemorative or definitive stamp issue in the late 1970s were presented with an official First Day Cover overprinted with an inscription below the cachet.