I bought mine in May of '75 from Marsh Motorcycles, Warehouse Point Connecticut. Fred Marsh was a local legend, selling Nortons Guzzis and Duc's 'till he passed at 102 years old.
The 850 MKII was $2550 USD in '75. There were MKII and MKIII models in the showroom at the same time, with the MKIII costing $500 more. I liked the rear disc brake and e-start features, but opted to buy the cheaper MKII. No regrets on that decision.
My Norton has a build date of 8/74 but the dealer sold it to me as a '75 Mark II Roadster. That's what it says on the title and on my CT registration. I still have the original bill of sale.
Three months later I visited the dealer and the price of the MKII had dropped to $1995, and the MKIII to $2495. Grrr.
Only once in 34 years have I considered trading it for something else, and that was a 1976 special edition Gold Wing. The Honda dealer quoted me a trade in value based on the $1995 new price, and I had more left on the bank note than they'd give me for it so I declined. No regrets on that decision either.
I really need to get current pictures posted.. you guys will drool. It's been in a constant state of restoration from the day I rode it off the dealer's lot. But it's also my rider, the only bike I've owned since 1975. Why would I need anything else?