Silkie - cockerel/hen?

[RockMan76]

We got an unsexed Silkie chick and now at 5 weeks, it’s a little aggressive and wondering if it’s a cockerel. Too early or can you tell?

 

[Old_McDonalds_Farm]

Silkies are generally super hard to sex but with a comb that big at 5 weeks I'd feel pretty confident saying cockerel