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Yetholm-type shields were used in 1200-800 BC (Bronze Age). The known shields come from Britain and Ireland, excepting one from Denmark. Their modern name comes from Yetholm in southern Scotland where a peat bog yielded three examples of the approximately 20 known. The shields vary significantly in size, but are otherwise similar. The impressive shields would have indicated high social status. Rock carvings from this period made in Southern Scandinavia include depictions of shields decorated with concentric rings or rings of dots. The artist could not hope to show the fine detail of a Yetholm-type shield, but the similarity is striking.
The shields are made of a copper alloy sheet about 0.6 mm thick. The alloy is a high-tin bronze: copper with 11-14% tin. They are round with a central domed boss created by hammering out from the back. The shield disk is decorated with concentric rings of raised ridges a couple of millimetres high. Between the ridges are rings of small hemispherical bosses about 4 mm across. Decoration was formed by hammering from the reverse (Repoussé).
The outer edge of the shield has be folded back and hammered down to form a strong rim. A handle made from a thicker piece of sheet bronze folded over is riveted across the open bowl of the boss, also attached are a pair of metal tabs for a carrying strap. Rivet heads for fitting attachments are on the front, but are similar to the decorative raised bosses and difficult to identify.
Probably a flanged punch created the bosses to a uniform size and depth, although no contemporary tool has been found to accomplish this. The embossing would probably require the work piece to be supported, conceiveably by a bed of pitch or lead. That some eye-judgement was required is revealed in the detail of the spacing of the bosses: as the craftsman came to complete a ring, the spacing would be changed slightly so as to ensure an even design and make the starting place inconspicuous. The shields show a high degree of accomplishment, and given the degree of similarity, it is likely that all were made in the same workshop by a few crafstmen.
Shields vary size and in the number of embossed rings, but the size of the embossed features is consistent. The largest shield (found at Ayrshire) has twenty nine circular ridges and twenty nine rings of bosses; the smallest, from County Antrim, has eleven ridges and rings.
The overall design, and especially the tabs, indicate that the shield did not have a wooden backing or other reinforcement. Although the embossed design and folded rim impart some stiffness, it might appear the shields were too flimsy for combat. In experimental archaeology, a reconstruction made from copper hardened so to match a Yetholm-type shield, and hit with a replica bronze sword: the shield was cut in two by a single stroke. Furthermore, the handles are quite small, allowing only about 110 mm for the fingers, making the shield difficult to manipulate in a combat.
Some shields have damage likely to have occurred as a part of a sacrificial ceremony. The South Cadbury specimen was laid in a ditch and stabbed three times with a wooden stake.
However, one shield from Long Wittenham in Oxfordshire, has two lozenge-shaped perforations, interpreted as piercings caused by a spearhead, other piercings hammered flat to close the gap, suggesting that the shield was a veteran of several combat encounters.
With the exception of the specimen found at South Cadbury, all were found in wet contexts. They formed part of a widespread practice of placing valuable objects in wet places. Presumably, this practice was motivated by religious beliefs, the details of which are unknown - although other ancient societies such as the Celts had similar practices.
- Coles, John; Minnitt, Stephen; Wilson, Andrew. Ceremony and Display: The South Cadbury Bronze Age Shield. Somerset County Museums Service.
- The South Cadbury Bronze Age Shield, Somerset County Museum.
- South Cadbury Shield Significance.
- County Antrim specimen.
- The Hunt Museum (enter "Yetholm" in Keyword in Description).
- Image from Archaeologica Scotica circa 1871.
- Archaeologica Scotica, See: Notes on Ancient Shields and Highland Targets..., JAMES DRUMMOND, 1871 (PDF).
- A Later Bronze Age shield from South Cadbury, Somerset, England.
- British museum.