Kosher Plumba Seal, Image by StuE Found by Dave Haffenden.
Found in the Colchester Area.
Kosher food seals with Hebrew letters on, The Hebrew letters that look like 7 W ] reads 'kosher'.
See Geoff Egan, No.356 Fig.47, 'Lead cloth seals and related items in the B.M. (B.M. Occasional Paper 93)'
An excellent article entitled 'Those Jewish Plumbas: All is Revealed!' can be found on page 1 of the March/April issue, No.82 of Leaden Tokens Telegraph by David Powell.