...used SS police S&W 4064...
I looked this one up and realized that I HAD one of these in 40. I could never remember the model number once I sold it.
My gunsmith talked me into it. Said we could get a screaming deal if he bought two and he wanted one. I agreed on the condition that it were a single-stack, which is what he'd told me it was, so I agreed. Once they came in, they were double-stack, but he didn't remember that part of the conversation.
It was cheap, but it was a fantastic pistol. The trigger was extremely light, it was compact - rather svelte even. Very nice-looking pistol to boot.
I really liked it and it shot very well, but the grip was wider than I wanted for gripping and MY preferences for concealment. No knock on the gun, but it wasn't what he told me it was going to be. I used it for a while just before I started paring things down.