the actor bought the aston martin db4 cabriolet in 1962 , shortly after winning a best supporting actor oscar for his role as batiatus in spartacus .
it was one of the most luxurious cars of its day , costing £ 4,000 and was delivered to him at a time when the average house price in britain was just £ 2,500 .
the aston martin db4 cabriolet once belonged to actor peter ustinov and is expected to fetch £ 1million when it goes up for auction at bonhams that