Seal-Matrix:
William, harper of the Law
- Owner
- William, harper of the Law
- Matrix Shape
- round
- Image description (obverse)
- On a shield, a harp.
- Image description (reverse)
- Legend (obverse)
- S' WALRAVN LE HARPEVR
- Legend (reverse)
- Catalogue
- P/Harp/1
- Notes
- SW II, p.398.