*edit* What’s throwing me off is that pin. Vikings had brass pin/brass sleeve into shaft until the 90’s. That cue looks like one of the millennium editions which was late 90’s. But at the same time looks older. My 2000-2002 Viking has the newer style weighting. I thought that was a screw in butt initially, but it looks like Viking weight system on zoom in.
I might be able to get more down to it for you because right around 98’/99’ I had joint on my 83’ replaced with full threaded metal pin. They already had started quick connect at time and no longer had brass so it’s metal. Quick connect shaft won’t fit it. I asked for it to be full threaded. Off the top of my head the pin on mine doesn’t have a non threaded tip on it like yours there. I’m almost positive threaded whole way. Maybe that isn’t a Viking.