The monogram is of a slightly different form than described in SC. The element in the upper left corner of the pi is a diagonal
line, not the loop of a rho.
1983.69.3http://numismatics.org/collection/1983.69.3mb_physical,osm,imperiumobjecthttp://numismatics.org/search/id/https://numismatics.org/themes/mantisdisplaypk.eyJ1IjoiYmhpaWJuZXIiLCJhIjoiY2xlZWZqZmJjMGdheDNwcW1qaHM2MWZ4cSJ9.oR2ZyKdE7BYKzQkjiotNSghttp://numismatics.org/search/manifest/1983.69.3American Numismatic Society