CH 1947 Stamp Day Lucerne LU, card UPG with Automobil-Postbüro cancellation and add-on cancellation UPG + Bourse Geneve

Switzerland 1947 Stamp Day Lucerne LU (Luzern),
train card UPG "Cent ans de chemin de fer 1847-1947",
with Automobil-Postbüro cancellation and add-on cancellation "U.P.G. - Cent ans de chemin de fer - Journee du timbre 7.12.1947",
backside lila cancellations "Bourse internationale de Philatelie Geneve 13-14 mars 1948" of UPG Union Philatelique Geneve,
with corresponding stamp "First steam locomotive" SBK 277 (Michel 484), cancelled "6.XII.1947 Bureau de poste automibile suisse - 3",
top right corner of card slightly bent, otherwise in good condition.