Colts used a thin version of horseshoe logo of large size. Within individual photos you will see Colts with different spacing at the top of the horseshoes, as seen in this 1958 photo showing Johnny Unitas (#19) and Alan Ameche (#35).
Falcons wore a second style of each jersey concurrently with the main style. New additions had shorter sleeves, thinner stripes that did not go entirely around sleeve, and smaller logos.
1980 Eagles wore both versions of their green jersey in both Week 15 vs St. Louis and Week 16 @ Dallas.
1981 Eagles wore both versions of their green jersey in Week 16 vs St. Louis.