Hey Everyone, I know this is an old post and when I was looking for a table I could not find an original table stand for a recently purchased 1995 Grady-White 272 Sailfish and found a solution and want to post to help you out. So I took a risk and bought and a stand from amazon.
Link here... You can also just search "removable table leg base mount rv" and you'll get a few that pop up for less than $170. Now the trick is you need to have the original base plate still screwed onto the boat but just missing the 2 poles, (if you don't you can probably buy a shim to level it out). So what I ended up doing was remove the original base plate, lined up the holes with the new stand and drilled 4 new holes... After that everything fit like a glove, the original plastic dowel that's under the table mounting plate fit the new mounting poles, 10 minute job! Good luck and hope this helps you guys out!