Three metal buttons from the Holy Well, Inschadney, Kenmore, Perthshire

Double button (Dubbel knapp) of bronze, Bronze Age, from Denmark

Double button (Dubbel knapp) of bronze, Bronze Age, from Denmark

Double button (Dubbel knapp) of bronze, Bronze Age, from Denmark

Double button (Dubbel knapp) of bronze, Bronze Age, from Denmark

Double button (Dubbel knapp) of bronze, Bronze Age, from Denmark

Double button of bronze with high middle (Dubbel knapp med hög midt), Bronze Age, from Denmark

Double button of bronze with high middle (Dubbel knapp med hög midt), Bronze Age, from Denmark

Button or belt mount of bronze, circular and hollow with loops underneath, found in 1869 at Grosvenor Crescent, Edinburgh, Scotland

Oval double-pointed button or mount with a loop on the back for attachment to a harness, from a moss at Middlebie, 1st - 2nd century AD

Button seal in glazed steatite, of hemispherical shape with a flat base incised with a coil decoration: Ancient Egyptian, Middle Kingdom, 12th - 13th Dynasty

Button seal in glazed steatite in the form of a human head wearing a male wig: Ancient Egyptian, 1st Intermediate Period

Button seal in green faience in the form of a lion couchant, pierced lengthwise: Ancient Egyptian, 1st Intermediate Period

Button seal in copper-glazed steatite in the form of a lion's head pierced laterally: Ancient Egyptian, 1st Intermediate Period

Discoid seal, green-glazed steatite, perforated transversly, decorated above with two-ended animal, and incised on base with two-headed ibexes: Ancient Egyptian, New Kingdom, 6th Dynasty

Button seal in green glazed steatite with a scutiform base surmounted by the figure of a squatting frog: Ancient Egyptian, 1st Intermediate Period