Vintage Golden Nugget Gambling Hall (Las Vegas, NV) ashtray, circa 1950s. It could be called "Iridized" amber in color (sort of a faux carnival glass!)
It has the casino's emblem ("GOLDEN NUGGET Gambling Hall DOWNTOWN LAS VEGAS") printed three times around the outside.
It measures about 3 1/2 inches in diameter by 1 1/4 inches high.
Excellent condition, no chips no scratches.