Ghost Disc 

A specially treated glass disc that reveals the AH or 3C depending on which side you breath on and creating the foggy image.

Original ad copy:

By breathing on the Ghost Disc, you will find a card denomination etched into tl e glass. Repeat this procedure and you will find another denomination on the reverse side of the Ghost Disc. 

Accompanied with any standard deck of cards, you are ready to perform your trick.

Pre-owned but in good condition. Never used.

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