Check the 2021 Derby results for the specific club or federation mentioned. Often, these birds are auctioned based on their performance in specific "final races."
If you are looking for a "guide" to this specific bird or lineage, you should focus on these areas: MISKO BAROS GENT - SAR KASATE 2021 CARDAS
Likely the name of the breeder or the loft owner. Misko Baros is a known name in the Serbian pigeon breeding community. Check the 2021 Derby results for the specific
Refers to the Cardas (Cardash) Derby or a specific pigeon racing database/catalog often used to track performance and pedigrees. How to Use This Information Refers to the Cardas (Cardash) Derby or a
Look for the official ring number associated with this string. The "Cardas" label suggests the bird's data is stored in a derby database where you can find its parents (Sire and Dam) and its flight performance (velocity, distance, and rank).