The picture I posted had 1959 Cadillacs. And the RI Color Guide by Steve Hile says the conversions started in 1958.
Thanks! --
Brian Ehni
From: <main@RealSTMFC.groups.io> on behalf of "RICH CHAPIN via Groups.Io" <rwc27q@...> Reply-To: <main@RealSTMFC.groups.io> Date: Friday, August 2, 2019 at 5:51 PM To: <main@RealSTMFC.groups.io> Subject: Re: [RealSTMFC] Gondolas converted into TOFC cars
Railmodel Journal Sept 1989 says RI converted 222 if those outside braced gons into piggy flats. Doesn't say when, but the pic with that article says "circa 1962"