Well I don't know where Amador county is but have you tried looking at the list of member clubs of the California State Numismatic Association. Directory is here http://www.calcoin.org/clubs.html On that list I do see a club in Sacramento that meets twice a month.
Sacramento Valley Coin Club -- Sacramento (N. Highlands)
Meetings: 2nd and 4th Wednesdays at 7pm at North County Corp. Yard., 5026 Don Julio Blvd., N. Highlands.
Mail: P.O. Box 160122, Sacramento CA 95816
Website: http://www.sacvalcc.org/
Sacramento Valley Coin Club -- Sacramento (N. Highlands)
Meetings: 2nd and 4th Wednesdays at 7pm at North County Corp. Yard., 5026 Don Julio Blvd., N. Highlands.
Mail: P.O. Box 160122, Sacramento CA 95816
Website: http://www.sacvalcc.org/



















