Good thread, I have three pretty bikes from one of my favorit local brands: The very respectable and long existing RIH brand, all of mine build by Wim vd Kaay.
The oldest is from 73, i aquired the frameset from Elev12k
This one was build in 82 in a very unusual colour combination for a Dutch bike
And this is how the RIH's look when build in modern times: my 2008 build bike