U.S.S.R.-Vietnam Co-operation - Hydro-electric Power Stations 1988
Now showing: Vietnam - Postage stamps - 1988 - U.S.S.R.-Vietnam Co-operation - Hydro-electric Power Stations - 2 stamps.
Now showing: Vietnam - Postage stamps - 1988 - U.S.S.R.-Vietnam Co-operation - Hydro-electric Power Stations - 2 stamps.