If its about a detail of a particular card I will answer as soon as I can but that might not be straight away.
Postcard UDB RP Chicago St Paul Minneapolis & Omaha Alco 326 No Buyers fee TR040
SWITZERLAND Postcard UDB Luzern Gütschbahn Hotel Gütsch PA55
SWITZERLAND Postcard UDB Rigi Bahn Schnurtobelbrücke posted Annecy PA54
Postcard UDB SWITZERLAND Vitznau Rigi Bahn 1899 Schnurtobelbrücke No fee PA32
Postcard UDB railway steam loco FC Oeste de la Habana #26 No Buyers fee TR035
RP Postcard USA Atchison Topeka & Santa Fe steam locomotive #1301 TR011
