article_snippet: it was left to he family when he died, aged 79, in 1977, and later sold at auction in 1983.
article_snippet: it has been owned by a private collector for the last 30 years but is now going to be sold on again at an auction in London later this month.
article_snippet: The collection has been given an estimated guide price of between £130,000 and £160,000.
highlights_snippet: It is now due to be auctioned again later this month and sell for thousands .
  