That is a nice revolver. I have the same gun, only with pearl grips. A retired cop friend of mine sold it to me, had been his dad's off duty gun in the 1920's. He sold it to me because his kid's had no interest in it, and he wanted it to go to someone with a badge who would appreciate it.
I am another believer in walking around money, although I call it "mad money", which is what my Mom calls it. Mom taught me to always have at least a few dollars on you for unexpected splurges or emergencies. As a kid I was doing good to have $10 in mad money, these days I carry quite a bit more. I've bought several guns over the years with it, like a 1948 M&P snub for $300, or a 1950 Detective Special for $325. That money has also paid for a lot of dinners when my companions had no cash, or helped someone pay a bill until pay day rolled around.
I cannot comprehend not having cash in my pocket. This past summer I had an intern assigned to my unit. Every time we stopped for lunch the kid had no cash, said he never carries it. I ended up buying a lot of lunches. Maybe it was growing up without a lot of money, where having $5 was living large, but I just feel better having a bunch of $50's in my wallet.