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: 1250-1450
Size: 5,1 cm (lenght); width of belt - more than 1,2 cm.
Sources: Archeological find from London.

Dated: 1380-1500
Length: 12,5 cm
Source: A find from Risegård, Bornholm, Denmark

Dated: 1250-1400
Size : Inner diameter: 2 cm; Height: 3 cm; Lenght: 4,3 cm
Source: A find from England.

Dated: 1250-1420
Size : Inner diameter: 1,8 cm; External diameter: 3,2 cm
Source: Many archeological findings from Germany (Badingen, Uenze); England; Poland (Słupnica, Ostrów Lednicki, Kołobrzeg).