Breen, Walter Henry
September 5, 1930 – April 27, 1993
See also:

Walter Henry Breen Jr. (September 5, 1928 – April 27, 1993) was an American numismatist, writer, and convicted child sex offender as well as the husband of author Marion Zimmer Bradley, who was aware of his child molestation activities. He was known among coin collectors for writing Walter Breen’s Complete Encyclopedia of U.S. and Colonial Coins. “Breen numbers”, from his encyclopedia, are widely used to attribute varieties of coins. He was also known for activity in the science fiction fan community and for his writings in defense of pederasty as a NAMbLA activist.
- Wikipedia entry
- Fancyclopedia 3 entry
- Programmed to Chill podcast episode #24:
Programmed to Chill Unlocked: Premium 24 – the Grand Vision of Walter Breen: Schizophrenia, Numismatics, Superkids, Science Fiction, SCA, Pedophilia, Wandering Bishops, and Magick @ PodcastAddict / Spotify
“Today’s about the life of Walter Breen, Marion Zimmer Bradley, and about eight or nine different rabbit holes involving mental illness, numismatics, gifted kids, science fiction, the Society for Creative Anachronisms, pedophiles, wandering bishops, and magick.”
- Confronting Breen Charles Morgan and Hubert Walker By Charles Morgan And Hubert Walker, November 3, 2015 – CoinWeek
- CoinTelevision Archives: PNG Living History: Walter Breen, 8/15/1988, David Lisot, Interviewer. (Video)
- ANA Numismatic Personality: Walter Breen David Lisot, Interviewer. 1986 (Video)
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Jacques Vallee’s Forbidden Science Journals Volume 5, page 243 & 244, August 7, 2004