Are those "Black Laced Silver"? (Because "Blue Laced Silver" would have the same initials.)
Since you want silver, I would cull the cockerels that show gold.
If you have black-laced hens to work with, and you want blue lacing, I would cull the cockerel who has black.
That would leave you...
I would guess it's one of the white ones.
I would expect the blue to have one parent that shows blue or splash, or possibly a parent that is white (which can hide any other color.)
I think I see a light spot on the head of the black chick, which would mean it has barring. It should have a...
Cute chick!
But it looks blue, which has me puzzled. It should not be possible to get a blue chick from that cross. So either I'm wrong about the genetics of one of the parents, or I'm wrong about the chick being blue.
"Blue" chicks look gray, and so do some chicks that grow up to be...
"Silver Laced Blue" should mean white lacing on an otherwise blue bird, but I cannot find it mentioned that way in the thread or in the breed/variety listing in that poster's signature.
The first post in that thread says:
That includes "Silver-laced, Blue, Black, Splash..." with Silver-laced...
Assuming your Golden Comet has a white tail (not a black tail), I predict:
--silver daughters with black semi-lacing
--silver daughters with white semi-lacing (they will mosty look white)
--sons like both of the above, except their "silver" may look yellowish, and they are likely to have patches...