Just ordered a few minutes ago....a 1951 Gillette Superspeed. W-1 date code, and apparently (from what I've studied up on in my "newbie training), it's also the first year of date coding of the Superspeeds. (Is this true?)
http://www.countryjoescollectiblestuff.com/9-13-sspd.
http://www.countryjoescollectiblestuff.com/9-13-sspd.