It can't be any earlier than about 1957, since that's when Verichrome Pan replaced Verichrome.

There may be a graphic date code printed on the edge of the film, but there may not. The plant code is a dot somewhere in the Kodak Safety Film lettering.

The classic looking yellow paper went on for a long time. At least until the 1980's. Note the film speed -- is it 80, 100, or 125? Is the Kodak logo serif or sans-serif?