I believe the model number is 17D203 or 17D303 and the Sams is 447-3:
https://www.samswebsite.com/en/photo...ndex/id/174132
Those Dualettes are cute sets. I keep waiting for an affordable one to pop up in this area.
Regards,
Phil Nelson
Phil's Old Radios
http://antiqueradio.org/index.html