article_snippet.sent: Auctioneer Bonhams expects the drawings to fetch £26,000 in two lots when Auctioneer Bonhams go under the hammer as part of Captain Lewis's archive of material in New York on April 29.
article_snippet.sent: They are tipped to fetch £130,000.
highlights_snippet.sent: Remarkable drawings put to auction by Captain Robert Lewis expected to fetch £300,000 .