Nazi tanks that have lain neglected in Bulgarian fields for decades are to be put up for auction - and one can be yours for as little as £77,000 (€100,000).

The Second World War relics have provided a rudimentary first line of defence against a Nato invasion of the former Eastern Bloc country since the 1950s.

Dug into the ground along the Turkish border, the Panzer tanks, Jagdpanzer tank destroyers and Sturmgeschuetz assault guns have been largely forgotten since the end of the Cold War

But after audacious thieves made away with one of rarest pieces last year, the Bulgarian government decided to launch a recovery programme to save the remaining machines.