Great postcard, Pam. Five active casinos on that side of Virginia Street, with more (Harolds Club, Harrah's, etc.) on the other side.

I like the Silver Spur's marquee, advertising "Double S&H Green Stamps on Special Jackpots"!

Sadly, downtown Reno south of the arch is just about dead.
Here's the Google map pic of the same area as your postcard: