Lot No. 429
1911/1950, three commercially used letter cards with comprehensive message inside: 3c. light brown on pale lilac uprated by 5c. ultramarine used 24 JUN 1911 to Leipzig/Germany (on reverse unopened flap with intact vignette "DEUTSCHER SCHULVEREIN 1880", instead opened at base); 3c. grey black on bluish grey domestic use 1921 (creases/postal wear); 5c. grey/brown on creamy white uprated by 1949 31c. ultramarine late use in 1950 to Germany.
