(m) punched in base c.: MADE IN / ENGLAND / SD (monogram) (lion passant) (leopard's head) C / 121 (n) punched inside u.c.: (lion passant) C printed on front cover of accompanying book c.: Stuart Devlin (Devlin underlined) inscribed in pen and ink on page 1 of accompanying book c.: 121 printed in gold (vertically) on paper label on outside of lid of accompanying box c.: Stuart Devlin (Devlin underlined) / LONDON ENGLAND.