Pewter, 14.6 x 13.8 mm lozenge shape, weight 1.05 grams.  B above I + M, quatrefoil below.  Rv. Bell, I B at sides, an acorn below.  It is possible that the bell is a rebus on the issuer's name.  AVF-VF
Unpublished.

Ex Philip Greenall collection, bought B A Seaby Ltd.  Found in Putney, 1978.