Extremely rare apple green tube.  Twisted glass with gold, white, orange, yellow and blue enameling.  The enameling is in very fine condition and there are no chips or damage to the glass. Late eighteen-nineteen century.  Hand blown, hand-decorated.  Pictured in Jean Sloan's first book, "Perfume and Scent Bottle Collecting". p 43.  Approximately 6 1/2"  long.