rare one

[silentgreyfellow]

is the number side 21 or 22?

I suppose the belly number would tell the year if you don't have left side.

[terry marsh]

I only have this side but i have a few boxs of cases so I am looking for the other side.

[rob]

may not be that rare. terry's book shows 2321 made.

[rand]

I dunno jack about old bikes,learning as I go/read. But even with that said,that # boss just screams- F 'ED WITH !