Efron Enterprises Inc., New York City, which specializes in coin jewelry, is celebrating its 25th anniversary this year. The company was founded by owner Leonardo Efron, who emigrated to the United States from his native Argentina, and carries a full line of mountings for both modern and the ancient coins.

As part of its silver anniversary celebration, Efron Enterprises Inc. will be raffling off one of its pieces from its new 2001 collection. The raffle will take place at the JCK Las Vegas show this month, Booth #22090.