30 inch, on clips, Screened"

Unopened this box has a full wrap-around tan label. Apparently two Garand clips by POF, The question is, what does “SCREENED” indicate?
Thanks

Basically, Checked over ( some inspection, maybe a random test fire sample.)

Label shows a 1966 packing date, with an overstamp 1967 date .

Maybe they had some issues with the original batch, and checked them out. There are “TWO” wrap-around labels…try Moistening the top one to see what the original is underneath and whether it is intact.

Doc AV