Archaeology Magazine has publicized a newly discovered Viking coin type of a previously unknown Viking king reported under the UK's Treasure Act. See
http://www.archaeology.org/1203/artifact/silver_viking_coin_king_airdeconut.html
Though the circumstances of the coin's discovery are only briefly mentioned and the fact that it was reported under the Treasure Act is not mentioned at all, it is interesting that the AIA's Magazine is publicising the discovery of an artifact not found in professional archaeological excavations, and under a system of cultural preservation that has be criticised by elements within the archaeological community.