Peter Weiglin got it wrong, and you got it right, Bill. The date was around 1915, and the existing car lines were grandfathered. Of course, Mr. Hundman dislikes criticism, so a letter to MM pointing this out would run a poor chance of publication. Tony Thompson
So did this "grandfather" clause permit new offspring? Otherwise how do you explain SFRB/SFRC reporting marks that appeared in the 50's?