wholesale Brazilian Curiosities was established in 1963 by Roy Masin senior (1918 – 1982). After years in Brazil to have lived, he started back in the Netherlands, with the import of "curiosities" from Brazil such as dried flowers, coffee, handicrafts and natural stones.

With the minerals as main product, took Roy Masin junior the company in 1982.

In december 2012, Roy Masin ' st1 gallery ' opened. A gallery where special and very decorative minerals and fossils for sale.