White ring with a black two numeric code (on left leg) and metal ring (on right leg).
note1 :
Yellow ring with a black two numeric code.
note 1 : used numbers are : 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.
note 2 :
Yellow ring with a black two alpha code.
note 1 : used letters are A, C, F, H, J, K, L, M, N, P, T, U, V, X, Y.
Yellow ring with a black two alpha-numeric code.
note 2 : used numbers are : 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.
note 3 :