I am small time, and dont have as many Ruths as I once had, but here are 2 that I know 100% fact no one else has

ca1920's Cuban Ruth... Found tucked into an old Spalding Guide that was formally owned by the premier Cuban baseball historian and author, Severo Nieto. 2-1/2" by 3-3/4" thick stock

Not a R309-1
This is thought to be the unissued R340 premium advertised on the 1933 Sport Kings wrappers. Its the only known example (besides a large paper stock "proof" discovered in the files of the Goudey Gum Co. years ago. This finished piece is thought to be from the same find)
It has an extra wide green borders and a green name plaque (R309-1's are gold). The easel on back is a different design compared to the R309-1's. Top has a holepunch for hanging. Because of the green borders it is roughly 1/2" wider and taller than the R309-1. Quality of the image (like the proof) is far superior compared to the R309-1's.
I have many Ruth card images Ive collected over the years (close to 100 different cards, many oddballs)... one day Im going to make a page and picture them all like a museum ..... my fav player by far