NJ historic plates for motorcycles weren't issued as a matter of course in 1964 when the "QQ" auto plates came into being.
It's actually quite a story, how individual NJ owners of antique motorcycles had to band together and petition the NJ DMV in Trenton with multiple requests and
a voluminous correspondence between 1974 and 1976, when the Director finally relented and issued "Q" plates for our 25 year-old motorcycles.
Before that time, individual applications for Historic motorcycle plates were routinely denied, using specious reasons, like "the word 'Historic' would be so small on a cycle plate as to be illegible" and "there is no provision in the law for Historic plates for motorcycles". Learning of this, I went to a Camden County library in 1974 and looked up the law. That was all it took. I contacted other NJ members of the Antique Motorcycle Club of America I knew, and we organized Seaboard Chapter of the AMCA for the express purpose of winning the plates ... and it took us almost two years to wear down the resistance of the Assistant DMV Director.
The first issuance [of the "Q" plates] was timed to coincide with the Bicentennial in 1976, and I was voted "Q1" by the other founders of Seaboard Chapter when the time came to order the first twenty "Q" plates for a $15 surcharge.
--Gerry Lyons (a.k.a. 'Sarge' on the CAIMag.com forum ... and here is one of his posts which re-tells the story of the "Q" plates.)
Back of the plate:
1979 BASERoy Klotz
1979 BASEMike Wiener