Essential Doors My fifteenth entry to Norms Thursday Doors. Essential Doors. Simon Lévelt (1775-1850) was a Dutch trader in colonial produce. In 1817 Lévelt opened his first shop in Amsterdam selling, among other products, various kinds of Tea and Coffee. This picture taken in Gouda is the shop frontdoor of one of their 40 shops in TheContinue reading “Thursday Doors – Essential Doors”