Belgium/Netherlands touring bikes

When I visited Belgium and the Netherlands this summer, I noticed a number of old-fashioned touring bikes. The ones I
saw looked like pre-WW2 style bikes with full fenders with lights mounted on them, spring seats, and easy-to-reach
handlebars (upright style).

A Belgian friend said she thinks they are still being made, but didn't know brand names or sources for them in the U.S.

Does anyone have info on where such bikes could be purchased in the U.S.? I live in Colorado.

Thanks!

--Art