Not sure how many guns I have these days...One I've never shot. A 12g Browning Humpback...with two barrels. Shotgun and a rifled barrel.
I shot a Browning Humpback back in the day....hated it. Just didn't fit me....
Glad to hear you still have that .22 single-shot. Pass it on to future generations, along with the stories that go with it.