ARCHIBALD KNOX 1864-1933
Liberty & Co Brooch 
Silver & enamel
Length: 1.8 cm (0.7 in) Width: 3.2 cm (1.2 in)
Marked: 'LC & C' & 'Silver'
British. 1903
Fitted case
Literature: cf. Liberty Jewellery sketch book,
model number 1152
Archibald Knox,
Stephen A. Martin, 2001, page 267