Bidspirit auction | Jewish National Fund KKL philatelic

Jewish National Fund KKL philatelic event cover for 'Jerusalem '73' International Stamp Exhibition w - Jewish National Fund KKL philatelic event cover for 'Jerusalem '73' International Stamp Exhibition with Yom Kippur War design & JNF stamp, tied by 'Stamp Designers Day' illustrated postmark dated 31 March 1974 tying Israeli 0.20IL stamp; Rochlin #CP26