Signatures of Prime Ministers and noted personalities on envelopes with first day of issue stamps, issued every year on memorial day. 6 envelopes. Average size: 15×22 cm. Including: David ben Gurion, Levi Eshkol, Moshe Dayan, Pinchas Lavon, Golda Meir, Zalman Shazar. The envelopes are in very fine condition.