Figure 1  Gravemarker, Perth Amboy, New Jersey, 1888. Terracotta. H. 34 1/2". (Photographs by Gavin Ashworth unless otherwise noted. ) The Oluf Thulesen marker is made from a single piece of unglazed red terracotta. It is decorated with carefully sculpted oak boughs, complete with acorns. The marker is located in Alpine Cemetery, Perth Amboy.