I have this mitt for sale on e-bay right now. It isn't a Big dollar glove but in the #7 price guide (I lost my #8 ) it was listed as Catalogued. So if you or someone you know collects Catchers mitts or Washington Senators items, you can check it out.
Link
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ih=014&item=330027824488&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1