On offer is a largish circa mid 1800s engraving entitled  "Chinese Opium Smokers”  from the original work by Thomas Allom, engraved by G Paterson & published by Fisher, Son & Co, London. 

It has been recently professionally restored & matted on acid free white board, ready to frame. Overall matted size 375mm x 310mm, engraving including the margin & title 250mm x 190mm. In extremely nice condition.