He's a heterozygous silver grey banded short hair!
As reference, the only breeder in Europe who I believe still has ED is Hamsterhuette. So there aren't too many EDs across the pond at all.
Very sad, since it's very lovely.
Het-SG and ED Golden often get confused, haha.
ETA:
Here is an ED Golden for reference:
Differences: Ear Colour, Nose Smudge, ED is yellowier.
Het-ED Golden (like my Lindt) is a lot lighter.