Will need to check with Rutters if theirs is a copy of a Bluemel or an original.
Paul
Bluemels copy I imagine, the Blumels factory in Wolston near Coventry closed years ago, housing estate there now.
If you have a mota lita why not fit a new leather rimmed wheel either 3 or 4 spoke to the existing boss, by far the cheapest option. Check out the mota lita web site