Ben,
This Mozzie would have been built around 1983. I have it on good advice that 1500 was built 1982/83 and since this was a boom period for Mozzie biulding I would expect that 1550 would be the same vintage. <img src="http://www.catsailor.com/forums/images/graemlins/cool.gif" alt="" />
Regards,
Peter