The Coliseum is posting information on its billboard on Coliseum Way with a picture of baby Daphne Viola Webb and the Oakland Police Department's hotline information.
Daphne vanished from her father's car on July 10 while he was in a convenience store in East Oakland.
Anyone with information is urged to call the Oakland Police Department's Missing Persons Unit at (510) 238-3352 or 911.
