BSG.BS.00258
BSG.BS.00258 — The... Seal
The... Seal, Image & Found by Donnydave.
From East Yorkshire.
Curving around the border of the first side - ?.?IB(R?)?? then possibly a date the other way up ending in 3 / THE(B?)?(S?)B curving downward and ...SW curving upwards.
Needs more for identification.