I'm only bumping this thread because someone emailed me on ebay pointing this thread out and saying something about SSA not being "vintage." Not sure what he meant, but just to clear things up about the razor and the company....
Straight Razor Manufacturers and Dates of Operation
SWEDISH STEEL FORGING CO
Trademark: SSA (Svenska Stalsmides Aktich)
Sole North American distributor: Eric Mellgren of 114-118 West 39th St, New York City
ca. 1918 - 1920