Obverse: PAYABLE AT JOHN CLARK & Co_ . 147 & 450 STRAND LONDON .1854. , young head of Q. Victoria left.
Reverse: PAYABLE AT JOHN CLARK & Co_ . 147 & 450 STRAND LONDON .1854. around linear inner circle; CLARKS PATENT LAMPS ARE THE BEST / ONE GUINEA COMPLETE around a lamp with an urn-shaped body and a globe shaped top.
Edge: Plain. Weight: 18.51 grams. Diameter: 34.35mm.
Mitchiner 2007 / Jetons, Medalets and Tokens. Volume Four: British Isles from circa 1830 (7919, p.2437) whom suggests that William Joseph Taylor was the maker.

ONE GUINEA COMPLETE relates to the price of a lamp.