A very handsome fellow! Don't be shocked if he loses most of his dark at some point during puppyhood--it will come back. That happened to Karloff when he was a pup--he "bleached out" for a while.
Kyra, female GSD, whelped 6/15/10
Karloff, male sable GSD, whelped 6/30/08
Tuco, male black GSD, 7/17/97--8/13/08, RIP
Ada, female GSD mix, RIP