might get missed by some since its not listed with mini bike in the header Looks like is mid 1971-1973 ish
http://rover.ebay.com/rover/1/711-5...0001&campid=5335845805&icep_item=264122132219
http://rover.ebay.com/rover/1/711-5...0001&campid=5335845805&icep_item=264122132219