Impression of seal matrix of Brechin Cathedral Chapter

Seal matrix showing an armoured man on horseback on one side and an obelisk with scroll ornament on the other, with two impressions in red and grey matter, from Raewick, Shetland, 12th century

Seal impression in mud stamped with an oval signet incorporating the sphinx wearing the Blue Crown trampling upon two prostrate foes and cartouche with nomen of Akhenaten: Ancient Egyptian, Middle Egypt, Amarna, Maru-Aten, 18th Dynasty

Seal impression in mud with the base stamped with an oval signet giving the prenomen of Akhenaten: Ancient Egyptian, Middle Egypt, Amarna, New Kingdom, 18th Dynasty

Red seal, with a bespoke leather case. The interior lid of the case has a handwritten inscription that reads: ‘The year of the Higyra 1187. The warlike King, Sword of God. The victorious Sovereign Tippoo Sultan. Exalted in dignity, high in Nobility. Prosperous in Fortune’: South Asia, India, Mysore, c1782 – 1783

Seal impression in red sulphur, of the reverse of the 1st Great Seal of Robert 1 (Bruce) of Scotland, depicting the king as a knight on horseback, c. 1306

Seal impression in brown sulphur, of the reverse of the Great Seal of Robert II of Scotland, depicting the king as a knight on horseback, c. 1371

Seal impression in brown sulphur, of the obverse of the seal of Arbroath Abbey, Scotland, depicting the martyrdom of St Thomas, 13th century

Plaster impression of a cylinder seal in glazed steatite, incised with the name and titles of King Amenemhet: Ancient Egyptian, 12th Dynasty, c.1985-1795 BC

Plaster impression of a cylinder seal in glazed steatite, incised with the titles and prenomen of Amenemhet III: Ancient Egyptian, 12th Dynasty

Plaster impression of a cylinder seal in green glazed steatite, incised with designs and hieroglyphs in eight compartments of King Nub-kheper-re (?): Ancient Egyptian, Second Intermediate Period