354: LINCOLN AUTO & TRACTOR SCHOOL 'boss the job' ADVTG

Lincoln Auto & Tractor School. Celluloid side advertising whetstone.
The school is listed in the 1920 edition of 'Welding Engineer, Volume 5,' at 2415 O Street, Lincoln, T.L. Anthony, superintendent. Brown & Bigelow, St. Paul, MN maker's mark around the edge.
Measures 1.75 inches.
Average condition, dent to one edge - as shown.
$30 - $50