| Description | Seals in photographs include John, Earl of Caithness 1292; Counter Seal of William, Bishop of Caithness 1255; Sir William Sinclair 1292; James Gray, Dean of Caithness 1569 (2 copies); Robert Stuart, Bishop of Caithness 1542-1576 (2 copies); Henry Sinclair, Earl of Orkney 1407 and Caithness Chapter of St Mary from Brass Matrix; Counter Seal of Chapter Seal of Caithness 1357 and William, Bishop of Caithness 1255. |