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United Prospectors Inc.,

The oldest family-oriented small miner's corporation in the US, established in 1947

2023 Non-UPI Events

February

18-19

Antioch Lapidary Club

Jewelry & Rock Sale

Contra Costa Fairgrounds

1201 W. 10th St,

Antioch, CA

10AM-5PM

February

25-26

Spring Bling

Solano County Fairgrounds

900 Fairgrounds Dr.

Vallejo, CA

10AM-5PM

April

21-22

Golden Gate Historical Bottle Society Bottle show

Contra Costa Fairgrounds

1201 W. 10th St,

Antioch, CA

Friday 12PM-5PM

Saturday 9AM-3PM