Yeah, horeshoe style rear stays, + star sprocket are def. Westfield (Columbia) giveaways. Also, the top tube appears to go thru the seat tube as opposed to welded to each side. Postwar bikes had forward facing rear dropouts and built in kickstands (on the ballooners) -AdamThink this looks about right, unless I am missing something......the pic says its a 50's columbia 5 star