AUSTRIAN EMPIRE - Rare collection of six commemorative postal stationery specially issued for the PHILATELIST DAYS, 20-23 August 1909, in KARLSBAD (today Karlovy Vary in Bohemia / Czech Republic). SIX ENTIRE POSTCARDS, stamps bearing the effigy of Emperor Franz Joseph printed directly on the reverse - on the front: various illustrations showing the town in 1909, in particular the thermal baths, exterior and interior views; around the illustrations coloured marble frieze and regional coats of arms from the imperial period. 2 x 3 Heller mauve cards + 2 x 5 Heller cards + 2 x 10 Heller cards, some new, some with Karlsbad day cancellation.