Two brass five aluminium found. 1 coaster, five matchbooks, a bunch of the free drawing tickets.

One old postcard...

Yes the bottom line is missing. (just a way of saving the image) Overlooking U.P. Park, Las Vegas Nevada. John F. Miller Manager

code along the edge is 3A179

I guess this is a Hotel Card since it doesn't say Casino on it. Nice cars in the picture, looks 20's but mentions state licensed gambling and Boulder Dam so that makes it 30's.