JNF/Jewish National Fund/KKL 1944 Aaronson MNH BROWN-YELLOW stamp w/BLACK ovpt

JNF/Jewish National Fund/KKL 1944 Aaronson MNH BROWN-YELLOW stamp w/BLACK ovpt
JNF/Jewish National Fund (KKL) stamps & labels: Israel Head Office/Jerusalem pre-State issue, UNDOCUMENTED ungummed/used(?) stamp of 1944 "Aaron Aaronon" issue overprinted 10m E.I. in black, in brown on brown paper-yellow paper (based on Kap 757-758/Roch 891-892).