In the ebay auction, Steve text is close: "...FIRST $1 BACCARAT CHIP EVER MADE. "

Here is the full text...
THIS IS A MINT $1 OVERSIZED BACCARAT CHIP FROM THE LONDON CLUB IN THE NEW ALADDIN CASINO IN LAS VEGAS. ONLY 1000 WERE MADE AND WERE GONE THE FIRST DAY. THEY WERE REPLACED WITH REGULAR HOUSE CHIPS NEVER TO RETURN. FIRST $1 BACCARAT CHIP EVER MADE. OWN A PIECE OF HISTORY. NO RESERVE. SHIPPING IS ONLY $1.25 IN A PROTECTIVE BUBBLE ENVELOPE. CHECK OUR FEEDBACK AND OTHER CHIP AUCTIONS. VISA & MC ACCEPTED WITH PAY PAL. GOOD LUCK

Actaully the MGM Detroit also had a $1 Baccarat chip... (Thanks Greg for the scan - the link is to your image on http://www.chipguide.com)

He probably forgot to mention it was a first for Las Vegas &/or Nevada...

I can't comment on how long they were on the tables - may be Andy Hughes can...

Regards,

Dick