Brian Boys, chairman of Lancashire-based developer and lettings specialist B&E Boys, is selling a collection of 150 military vehicles through auctioneer Sanderson Weatherall.
The collection has a total value of more than £1m.
Vehicles being sold include a rare second world war Sexton self-propelled artillery vehicle, a Russian T55 tank and six GKN FV432 armoured personnel carriers.
The sale takes place at St Mary’s Chambers in Rossendale on 30 June.