United States Holocaust Memorial Museum Collection, Gift of Agnes Rothkopf and Holly Rothkopf United States Holocaust Memorial Museum Collection, Gift of Holly Rothkopf The collection was donated to the United States Holocaust Memorial Museum by Holly Rothkopf in 2018. An accretion was donated in 2019. Holly is the granddaughter of Clara Drechsler Kramer. The collections previously cataloged as 20108.635.1 and 2019.270.1 have been incorporated into this collection.