CR Ashtray, Cristalerias Rigolleau   Updated 11/23/2011
	Rarely seen, this ashtray is formed of the letters "C" and "R," which stand for the maker, Cristalerias Rigoleau of Argentina. Probably used as a promotion for the glass maker. This blue example sold for $400 in 2003. A green example with a flake on the rim sold in 2011 for $250. Also reported in amber and marigold.