From Paul Reuvers (Curator of Crypto Museum, The Netherlands)

"In the past, Crypto Museum has acquired several objects, including extremely rare documents, through liaison by Mr. Hayes, and was always able to rely on his expertise and integrity. Mr. Hayes has also played an important and satisfactory role in the negotiations with third parties, with respect to such acquisitions.

It is our intention to continue this relationship in the future. Crypto Museum would like to recommend Mr. Hayes to any museum, collector, historian or other third party, with the greatest confidence."
Auction Report: Cryptologic objects feature at Bonhams Auction (2 Oct, 2022)
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