Four JNF Boxes - "Blue Box" / JNF Ink-Stamp, "Value of Stamp Paid"

• Four JNF boxes for collection of donations. Palestine. [ca. 1930s-40s].
1. Box ("Zion Box"), made by Alfred Salzmann (printing: A. Levine-Epstein). Palestine.
On the front - map of Palestine, with highlighting of areas redeemed by JNF (on the map appear the words "Dead Sea"). On the back - monogram of "JNF", Star of David, the inscription "Keren Kayemeth Leisrael" and a suspension loop. Chains in slot for insertion of coins.
2. Box ("Zion Box"), made by Alfred Salzmann (printing: A. Levine-Epstein), Palestine.
On the front - map of Palestine, with highlighting of areas redeemed by JNF (the words "Dead Sea" do not appear on this map). On the back - monogram of "JNF", a Star of David, the inscription "Keren Kayemeth Leisrael" and a suspension loop. Chains in slot for insertion of coins. Broken and detached locking mechanism. Original key with a disc bearing a serial number.
3. Large Box (for use by institutions and for collection of donations in conventions and in the street), made in Palestine.
On the front - map of Palestine, with highlighting of areas redeemed by JNF. On the back - the monogram "JNF", a Star of David,"Keren Kayemeth Leisrael", suspension loop and a folding handle.
4. A box manufactured, apparently, for use in England and in South Africa. No manufacturer's name.
On the front - a map of Palestine to the Golf of Aqaba. On the back - a Star of David between two blue stripes and a suspension loop. By the slot for insertion of coins is a drilled opening for insertion of bills.
Size and condition vary. Good overall condition. Slight defects.
• JNF ink-stamp.
A metal box with a small ink-stamp for stamping envelopes and papers instead of a JNF stamp. The ink-stamp features a Menorah, sun rays and the writing "Keren Kayemet LeISrael - value of stamp paid" (Hebrew). On the lid of the box appears an engraving - the letters "JNF" in the shape of a Star of David.
Size of box: approx.4.5X2.5 cm. Diameter of ink-stamp approx. 2 cm. Fair-poor condition. Defects, rust and corrosion.