Gräfenberg Rings

Three Gräfenberg Rings in different sizes and alloys mounted on black cardboard.

  • Inventory Number: 1866
  • Material: metal, german silver (alloy of copper, zinc, silver)
  • Size in cm: 16,8 x10 x 0,3
  • Condition: very good
  • Donor: Univ. Prof. Dr. Robert Snowden