My G22, with ser # AXRXXX, says .40SW on the slide. My G23, with ser # KFFXXX, just says .40 on the slide.
At some point, Glock changed it for some reason. I doubt it's particularly valuable.
Give a man a free ticket on a dead-end ride, and he'll climb in the back even though nobody's driving . . .
When did dissent become un-patriotic?