GERMANY. Private token, Mülheim (Rhine Province), ND, obverse; WERTH-MARKE, 5, c/m -HAUS- KROHN, reverse; large 5, 18mm, 1.28g, silvered zinc, unrecorded, see M-9259.1, NF, ek.
Reference; Peter Menzel, Deutsche Notmünzen und sonstige Geldersatzmarke 1840-1990, band II; M-Z , 1993.