...it would have been even easier if the ad wasn't printed on red, and you could actually read the darn thing!

"Most Lavishly Decorated Bar in the West
THE ONLY TRUE NIGHT CLUB IN LAS VEGAS

DINING: DANCING: ENTERTAINMENT

INTIMATE NIGHT CLUB ATMOSPHERE

NO GAMING" (I'm guessing this was the important part of your question... We have the same matchbook, which is why I remembered the ad!)

This publication is from mid to late 1961.