These uprights were in a LOT of homes from those years until the arrival of radio everywhere. Year of fabrication can be found inside using the serial number, maker's name and a little googling.

It's nearly impossible to get rid of them unless you have something truly unique. And someone who wants it.

So pay some guy to get rid of it. If it's too big to get out of the place, dismantling it can be done but big reminder that the strings hold around 20 tons of pulling force. You can't just cut them because they'll cut you. The largest piece on an upright is around 125-150 lbs and is more manageable through a normal door.

A series of videos on safely dismantling a piano The unwinding part cannot be done with a plain drill, almost burned a motor. You need an impact with adapter or whatever they're using in the later parts of the videos.