BAT YAM regist #0259 properly franked 25m M. Ha'am stps (Ba #1, 5, & 2x12) tied by 2 pmks in Black repeated twice on back, mailed to Nathanya, TLV 5 MY 48 transit Mandate pmk & Nathanya M. Ha'am Violet arr pmk; cv shortened at top 5mm, vert centerfold, f - vf
Handbooks & Catalogues:
"Israel Foreign Postal Links". 1991, Ch. Shamir & Marvin Siegel, listed as IFPL
"Jerusalem & Safed Postal Services in the Transition Period", 2004, Z Shmoni, Y. Rimon & I. Karpovsky, listed as JSPS
"Nahariya, Rishon Le Zion, The Negev Settlements…", 2009, Z. Shimoni, I. Karpovsky & Z. Aloni, listed as NRNS
Bale Israel Specialized Catalogue 1948-2016, D. Stier, Chariot Publishing, listed as Bale # or Ba #