Posted By:
fkwThe R314 premiums are postcard size, the R322 are far smaller (normal Goudey card size) and close to square.

R314.......................................R322
As far as wanting to build a set for low $$...
From the 1920-1930 era
1931 W517s
1929 R316s
1921 Exhibits
All 3 have a lot of HOFers and are attractive.
If you have not bought it yet, you may want to buy the SCD Standard Catalog of Baseball Cards (Lemke), so you dont buy cards blind. Good Luck
Frank