Could be handy?
https://fortyfour16.wordpress.com/2010/04/22/13/January 1983: Haro advertises colored Series One and Color plates and Stadium numbers in Bicycle Motocross Action magazine. Haro Flow Panel Plates also appear in magazines. These are no longer made from LDPE, but rather injection molded plastic. Aero, JT and others introduce number plates with “open” faces for better air flow-through.
April 1983: BMXA closes out BMXA-branded Neal plates at the discount price of $8.95. They are no longer advertised by June.
May 1983: Steve Veltman pictured in Bicycle Motocross Action magazine with a black and silver Hutch plate. Robinson ad shows Haro Series One Mini plates.
Summer 1983: Haro introduces injection-molded Tech Plate and injection-molded plastic numbers.
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