Vintage Pinback Grand Forks North Dakota Convention City

Description

This is a great little vintage pinback.  On the front it reads Grand Forks  (North Dakota) The Convention City.  Auditorium Seats 2500.  On edge reads Quimby Mfg Co. Minneapolis Minn.   On back it reads. Quimby Mfg. Co.  I ovoid. Buttons Badges and Noveltys.   Very nice shape.  Please email with any.   Buyer to pay 3.00 shipping. ⁹⁸