Several large ballista balls were found during alterations of the Exchange on Sandhill. Donated to the Society of Antiquaries of Newcastle upon Tyne by Directors of the Newcastle Exchange in 1899.

Spear head, inlaid with silver, Italian 17th century. Found whilst excavating a cellar at Sandgate. Donated to the Society of Antiquaries of Newcastle upon Tyne by Robert Brooks, Esq in 1884.

Oak treasure chest, bound with interlaced and decorated iron work with spring lock and hasp padlock. Ends and sides covered with plain interlaced flat bands. Bow wider at one end than the other. Donated to the Society of Antiquaries of Newcastle upon Tyne by Miss Hoyle of Leazes Terrace in 1901.

Four rat-tailed spoons, c.1728. Maker's mark for Robert Makepeace. A castle is engraved into the end of the spoons. A punch ladle also 1728 and three fronged forks c.1790, maker's mark for John Mitchison, 6.5 inches long, all formerly belonging to the Mansion House, were sold at dispersal of the Mansion House plate.

Fragments of a red pottery medieval water pot covered with green glaze were found in the Mansion House. The pot was 5.5 inches high, with a globular body, almost 5 inches in diameter with a short neck, expanding to form a handle. There were nine holes in the base.

A carving knife and fork from the Mansion House, with buckhorn handles terminating in heads of seahorses was found in circa 1905. The knife was 20.25 inches long and the fork 14.5 inches long.

A large stone coffin was revealed in 1902 whilst digging the foundations of the new power house of Newcastle and District Electric and Light Company in The Close, on the former site of Messrs A. Hood and Co's sawmill. There was a cylindrical recess for the head, 9 inches in diameter. Length of coffin was 67.5 inches with a maximum width at the shoulders of 18 inches and 12 inches at the foot. 12 inches deep throughout. Donated to the Society of Antiquaries of Newcastle upon Tyne by Messrs J and W Lawry in 1902.

A large iron key from the Mansion House was doanted to the Society of Antiquaries of Newcastle upon Tyne by Mr Charles Johnson in 1897.

A metal fire back from the Mansion House was donated to the Society of Antiquaries of Newcastle upon Tyne by Messrs Dinning and Cooke in 1897.

A blue "spode" plate of classic design with the arms and motto of Newcastle in the centre, from the Mansion House, was donated to the Society of Antiquaries of Newcastle upon Tyne by Sir Gainford Bruce and co-trustees of the late Dr Bruce in 1895.