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2 years agoJimmyBigSausage@lemm.ee is at least partly right, it’s an Ethan Allen table from the 80’s. Link to below shows what it looks like with all it’s parts. This website also lists it as pine.
The internet wasn’t really a thing back then so it’s unlikely we’ll find much more unless there is a digitized catalog posted somewhere.
Another link where you can see the markings which match your photos. https://www.auctionninja.com/sistersincharge/product/ethan-allen-old-tavern-solid-wood-dining-table-with-5-wooden-dining-chairs-2-leafs-table-pads-included-78941.html
Hot take. Your best shot at turning this into a usable food grade cutting board is to mill it into 1x chunks now while it is still wet. Then stack those chunks for drying. They’ll get a little warped and shrink during drying but checking should be greatly reduced. Then once dry glue em up into rows and run them through a planer. Then glue those planed rows together and plane that. Square of your edges. Hit it with the router and sander. Then soak in mineral oil. You should now have a decent end grain cutting board.
This was a simplified take, but that’s the jist of it.