Dated: 1250-1330
Size : A-3 cm, B-5 cm, C-5,5 cm, D-4,5 cm
Source: Grave find dated on 3rd quarter of 13th
cent. from Frankfurt on Mein, Germany.
Material: brass

Dated: 1250-1400
Size : A-2,3 cm, B-2,8 cm, C-2,4 cm
Source: Find from England, R. Whitehead
"Buckles".

Dated: 1250-1450
Size: A - 1,6 cm; B - 1,6 cm
Source: Archeological find from London.

Dated: 1300-1400
Details: height: 17mm; width: 12mm
Mount in the shape of the "K" letter
Gothic majuscule - the type face of the 14 century

Dated: 1250-1500
Size : 1 cm (diameter); 1,3 cm (length)
Source: Archeological find from castle Karlstejn in Czech Republic.