Flocked

For some unknown reason both Buckbeak and Harry’s stag Patronus share number 104. Additionally (and also for unknown reasons), two versions of Buckbeak exist: one with orange eyes one with black eyes.
Add ‘Buckbeak (Black Eyes)’ to your collection?
What do these terms mean?
This Pop! is exclusive
Exclusive
Specific figures are exclusive to conventions (such as San Diego Comic-Con) or retailers (like Hot Topic).
When does he have black eyes?