On page 24 of this 2003 catalog

[ame]http://www.jedistar.com/pdf/gretsch/Gretsch_03_drum_Catalog.pdf[/ame]

also see the last post of this thread

www.drumforum.org/index.php?/topic/60176-gretsch-snare-id-us-made/

Also no rubber gaskets used under lugs before approx. 2001.