Source for this windwo seal????

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Ok kids, any thoughts on where to get this one for a 49 Comm Coupe (conv)? This is the INNER window seal, which screws onto the stainless belt moulding on the top of the door panel. It runs the length of the door glass. You will notice that it has a stainless bead running on the top. This was the only thing I could not get from Kgap....I am looking in restoration specialties now....no luck. If you know, please share the info. Thanks