Window Glazing Mystery

A professional from Denver Area says:
Hi there!
I can't figure out where I can get this window bead. It came off an old aluminum window that I think was installed in the 70's. Do you guys have any idea of what it is?

-Preston
User submitted photos of snap-in glazing.
Profile picture of Paul
Paul from SWISCO responded:
The closest vinyl glazing we have is our 55-006. This was used back in the 70's by Capitol Industries. Look over our pictures and information and see if you could use this as a replacement.
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