I remember it being stated at $40 million on one of the episodes.
I remember Mr. Drysdale asking Jed how much he had to put in the Beverly Hills Commerce Bank, and Jed said, 'about 50 million'...Milburn swallowed hard and replied, 'd-d-dollars?' Mama let me stay up late that night, I'd guess it was in 1964 or 65
When a million was a million!