Kent - That's a magnificent contemporary photo of what was a magnificent car - a Cunningham ambulance. I'll have to do some checking to nail down the correct year and style number but, can assure you that it is indeed a Teens era V-Series Cunningham. Thanks for posting this amazing image.
Checking my reference materials, this appears to be a 1917 Cunningham Series V-1, Style Number 987 ambulance. Very handsome. Does anyone know who owned and operated this vehicle? Again, thanks for posting this amazing image.