BSG.BS.02169
BSG.BS.02169 — Star of David Seal, 778
Star of David Seal, Image & Found by Squonk.
Found in England, ?mm.
Star of David // 778
Star of David on one side and the number 778 on the other. Possibly a phosphate bag seal - see other star of David seals.
The same marking is found on specifically labelled guano seals, see BSG.BS.01178.