Full article at http://www.coinworld.com/articles/liberty-dollars-may-be-subject-to-seizure/

Federal off(ici)als call medallic pieces ‘contraband’ -- Yeah, 'cause your "notes" have held up so well over the last 100 years.

By Paul Gilkes Coin World Staff | Aug. 29, 2011 7:46 a.m.
Article first published in 2011-09-12, U.S. Collectibles section of Coin World

Michigan collector James Zylstra earned a third-place award in the medals category with his Liberty Dollar exhibit at the spring 2011 Central States Numismatic Society convention, a month after the Liberty Dollars’ creator was convicted in federal court of counterfeiting and other charges. Liberty Dollars may be subject to seizure.

Liberty Dollars held by collectors may be subject to seizure as contraband by federal law enforcement, officials with the U.S. Attorney’s Office and Secret Service said Aug. 24.

Statements by officials for those two federal law enforcement agencies seem to reverse the position taken in comments released from the United States Attorney’s Office in Charlotte, N.C., and published in Coin World in April, that mere possession of Liberty Dollars did not constitute a violation of any federal statute.
That position has apparently changed, although officials of the U.S. Secret Service — which would be the federal agency likely charged with executing any possible seizures — would not provide any definitive comments concerning under what circumstances Liberty Dollars would be seized. (Emphasis mine. Of course, they don't want to be tied down by any guidelines. )

The revised stance is tied to the Liberty Dollar being determined in a federal court to violate federal counterfeiting statutes. Liberty Dollars, metallic medallic pieces, were privately promoted as a form of currency that could be used in commerce as an alternative to Federal Reserve notes. (Allegedly)