A Dutch registration and a very Dutch scenery. The registrations ("H") are from the Amsterdam area ("Zuid-Holland"). The Norton is a 1930 Model 18.
Simon: "What a good photo - interesting to note the tank lining, cast alloy magneto shield and cast alloy primary chain cover. Difficult to see if the latter is two piece (as in '29) or only one piece like Patrick's bike. I had one of the cast alloy magneto covers when I first bought my Model 18 in 1956. The securing bolts fell out as I was riding along the road one day, the cover fell into the road and was promptly squashed by a following truck into a myriad of irreparable pieces.............."