I do not know how this pattern will change as he gets older (more lacing, less lacing, or something different yet.) I would be curious to see updated photos as he matures.
Maybe a partially laced gold-silver split?
"Partially laced" because I can't think of any other logical thing to call that pattern.
"Gold-silver split" meaning a chicken that has one copy of the gold gene and one copy of the silver gene. Chickens that have both the gold and silver genes show...