the first 15th century, of iron, with six-point rowel, straight neck, curved heel-band with a point at its apex and figure-of-eight terminals for straps (chips, pitted); the second 17th century, of iron, with six-point rowel, L-shaped neck with a central moulding, arched heel-band and figure-of-eight shaped terminals, (pitted); the third 17th century, of copper alloy (rowel missing), L-shaped neck, and arched heel band (chipped) and the last 15th century, of iron, with twelve-point rowel, short neck, arched heel-band and figure-of-eight shaped terminals (pitted), 16.0 cm (4)