Six postcards issued by JNF: * "Remember JNF", printed in purple ink, [early 20th cent.]. * Postcard with photo of a certificate "donation of olive-trees", sent in 1909 with a letter handwritten by R' Binyamin (Yehoshua Radler-Feldman). * Printed postcard, on the front is a text about "JNF purposes" in Hebrew and German, on the reverse appears a space for a JNF stamp. * Postcard issued by JNF, Cologne, with the portrait of Yona Kremnitzki, first director of JNF and space for a JNF stamp.* Photo of "Nordia" neighborhood, erected on JNF lands, printed in Strassburg. * Postcard with Nahum Sokolov's portrait, on the reverse appears the writing "JNF redeems the lands of Eretz Israel for settling Jews" in Hebrew and in Hungarian. Printed in Cluj, Romania. Condition varies.