Advertising postcard for State Wyde Radio and Television, Lyndhurst, NJ:

Can anyone identify the precise year of these sets?

Full size scans are here: https://www.flickr.com/photos/old_tv_nut/albums/72177720331017347

https://live.staticflickr.com/65535/54994591491_d822532112_c.jpg

https://live.staticflickr.com/65535/54994893960_1a68ac2b93_c.jpg

I'd say 1949. Rectangular started appearing in 1950-51

The postcard appears to be from 1949 as the radio TV console on the left hand side was a midline, admiral big 16 magic mirror TV, which was offered in 1949 and 1 of the first rectangle screens. If I remember right, I believe the model number started with a 29