Goryōkaku Star Fort, based on European designs. Hokkaido, Japan, Edo period, 1866 [1950x1526]

African Helmet Mask (Ndoli Jowei) Sande Aociety; Late 19th-early 20th century; Wood, Pigment. Nguabu, Moyamba district, Southern province, Sierra Leone [1189×1536]

The Imperial Crown of the Holy Roman Empire. Otto III was crowned HRE with it in 994 by Pope Gregory V. The cross was added early 11th century, and the arch ca. 1030. (985x1198)

Gold headdress ornament from modern-day Georgia, c.4th century BCE. Georgia (known as "Colchis" to the Greeks) was famed for its gold and bronze - for example, in the legend of the Golden Fleece. [909x821]

Square piano by Babcock, Appleton and Babcock. American, 1814 [4000 x 3299][OS]

Jade ceremonial urn with silver lid and mountings. Tibet or Mongolia, 16th century [1380x1880]

Sculpture of a deified king. Vietnam, Kingdom of Champa, 10th century AD [2700x3780]

A Roman gold snake bracelet found on the arm of a woman who was killed by Mount Vesuvius’ eruption in 79 CE near Pompeii, inscribed on the inside 'DOMINVS SVAE ANCILLAE' which means "From a master to his slave girl." [720x549]

Bust of the emperor Tiberius, who ruled in the years 14-37 CE. The artifact is in the National Archaeological Museum in Naples. [1200x2128]

"Broad-shouldered character" Sao civilization, anthropomorphic figure; 9th-16th century; N'djamena region; Musée du quai Branly; Central Africa [1552x2260]

This stone at Waltham Abbey marks the position of the high altar behind which King Harold is said to have been buried in 1066 [640 x 480]