France 1956 Technical Achievements - Donzére-Mondragon Barrage 12f unmounted mint, SG 1303*
France 1956 Technical Achievements - Donzére-Mondragon Barrage 12f unmounted mint, SG 1303*
France 1956 Technical Achievements - Donzére-Mondragon Barrage 12f unmounted mint, SG 1303*