You're very welcome! If you decide to hatch more from this cross, you should be able to tell which chicks are male when they hatch. The boys will have a white spot on top of the head which indicates that they will have barring. They are a type of black sex link.
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Silver duckwing male over barred female would give you barred male offspring and black female offspring that have silver leakage. The two in your photo are pullets. The others that look like your barred rock are cockerels.