1905-11 Selection of six postage due postcards, all sent to Switzerland, one originally posted to The Hague, redirected to Interlaken, with 1c paid in Panama, 10c postage due on arrival, and two UPU 2c cards, both cancelled by "Agencia Postal Nacional" flag postmark, charged 10c postage due, tied by Berne cds, a fine and interesting lot. (Image)