I have a Panasonic which looks almost just like that one except it has digital dials. It came with a long, maybe 40 feet long plug-in antenna. I have misplaced the antenna but still have it somewhere.
“My favorite-the Panasonic RF-2200”
Mine too. If I could find a carry strap for it mine would be complete.
Best AM band performance of any radio I have ever used. Period.