A renewed research of the remains of skeletons in the sepulchral monument at Rijnsburg. which were excavated in the years 1949/50 and were then ascribed to family members of the count of Holland. took place in the years 1995/96. A bone sample was taken from the left thighbone of each of the 16 skeletons for the purpose of 14C datings. https://www.roneverhart.com/100-Percent-Sunglasses-SPEEDCRAFT-LE-Money-Mike-HiPER-Silver-Mirror/