1949 Jerusalem 250pr (Sc 24) stamp with full tab affixed onto a Road to Jerusalem First Day Cover (depicting the walls of the Old City with the citadel), tied with a Tel Aviv FD pmk dated February 16, 1949,  alongside  a commemorative cachet marking the inaugural session of the Constituent Assembly of the State of Israel. Additionally, the cover bears a 5c USA stamp, canceled in New York with a UN special cancellation dated May 11th, commemorating the day Israel joined the UN.
The item is in very fine condition. Catalog value: $950.