article_snippet.sent: It will be sold by Bonhams in New York on Monday.
article_snippet.sent: It said the seller wished to remain anonymous.
article_snippet.sent: Part of the proceeds will be donated to charity.
article_snippet.sent: Bonhams in New York said a rare three-rotor German Enigma Enciphering Machine sold at the same auction for a world record price of 269,000 dollars (£183,000).
article_snippet.sent: A portion of the proceeds from Bonhams in New York and the vendor will be donated to charity, the auctioneers said.