Geese

species: 
Greylag Goose
scientific name: 
Anser anser
notes: 

White neckring with a black three alpha-numeric code.

note 1 : rings are with GPS-GSM module.

note 2 : letter/number/number behind each other.

note 3 : an austrian project has white neckbands with one letter and two numbers 90° turned : see https://cr-birding.org/node/5606

note 4 :

email sighting submit: 
colour-ring type: 
Neckband.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
Sweden.
First letter/number (of the c-ring): 
K