Not mine but found this when I was looking for a cb750. BTW the CB750 for $500 further down the page has been sold.
http://kitchener.kijiji.ca/c-cars-vehicles-motorcycles-1973-Honda-CB-350-twin-with-ownership-W0QQAdIdZ36018612
1973 Honda CB 350 twin, with ownership
Price: $650.00
Ad ID: 36018612
Unique Visits: 55
Location: Kitchener
Date Listed: 23-Jan-08
WITH OWNERSHIP.............Hi, this bike is in good shape, ran great in the summer, has sat since{should be no trouble to start], Has side covers[not in pic], looks like a daily driver, not a show bike.36,000M, Best offer or possible trade on???, Ron, 519-458-8240, needs a battery, the red thing on the seat is a battery pack.
http://kitchener.kijiji.ca/c-cars-vehicles-motorcycles-1973-Honda-CB-350-twin-with-ownership-W0QQAdIdZ36018612
1973 Honda CB 350 twin, with ownership
Price: $650.00
Ad ID: 36018612
Unique Visits: 55
Location: Kitchener
Date Listed: 23-Jan-08
WITH OWNERSHIP.............Hi, this bike is in good shape, ran great in the summer, has sat since{should be no trouble to start], Has side covers[not in pic], looks like a daily driver, not a show bike.36,000M, Best offer or possible trade on???, Ron, 519-458-8240, needs a battery, the red thing on the seat is a battery pack.