Missing Doberman in Tuxedo - Conyers, GA

He is a Male uncut ears Doberman but looks like a Weimaraner. 8 month old tall, grey smooth coat and green eyes. He ran off in his tuxedo shirt in a wedding after he heard fireworks went into the trees in a small forest where backs a subdivision on street called Hannah heaven dr Conyers GA. Last seen by me that night sep 21 at 10:30pm last sitting not verified same location on Sunday sep 22 at 6:30pm