QF 4.5 inches Field Howitzer
Contribution :
Wikimedia Commons - Rob Langham
Artillery blog link
Location :
England
Woolwich
Firepower - Royal Artillery Museum
Nice gun is very good condition.
Zoom on the breech and its markings '7-3-5 - QF 45 inch How r Mark I - RGF P 1916 - ne 1225.