This beautiful, antique/vintage perfume bottle is an iconic one made by BTCIC Paris (Bureau Technique de Collaboration Industrielle et Commerciale) in the early part of the 20thc. At this point, it is unknown what perfume was in it since the earliest version of the bottle was used beginning 1925 by various perfume makers and into the 40’s The STOPPER is made of frosted glass NOTE The stopper is stuck in the bottle did not want to risk breakage getting it out. ATTENTION The pictures with UV light were taken in a darken room with a 365nm with a black background.