Falcons

Combination of :
*a (18mm. high) c-ring with a three alpha code (on right leg)
* a (9mm. high) c-ring with a two alpha code and metal ring (on left leg).

note 1 :
Zwolle : 18mm. high ring yellow ; 9mm. high ring black.
Gramsbergen : 18mm. high ring black ; 9mm. high ring yellow.
Friesland : 18mm. high ring red ; 9mm. high ring green.
Maastricht: 18mm. high ring blue.
Beemster : 18mm. high ring green ; 9mm. high ring red.