Standarizadas Bird Rinds are engraved with the initials of the destination.
Example:
PT = Portugal, BR = Brazil, ES = Spain, BE = Belgium, FR = France, IT = Italy, etc
The bird ring closed standarizada are produced in Aluminum with robotised recording in low relief.
Recording Standarizada as examples: PT = Country
09 = Year
Letter "A" = Diameter
A000=n (numbering alienating not repeated)
