Portraits of 4 amateur archaeologists from Limburg, the Netherlands. Part of the exhibition "Schatten van Heerlen" (Treasures from Heerlen) in the Thermenmuseum in Heerlen, in 2015. The exhibition contained ancient Roman objects excavated in Heerlen (Coriovallum) that are now in the collection of the Rijksmuseum van Oudheden in Leiden.