How can an entire US Mint series be discovered?

I created six numismatic discovery models for a numismatic book I'm working on. The first three models explains the different types of US numismatic discoveries (these models can be tailored for specific area of US numismatics or non-US numismatics). I shared my first three models at my ANA blog (link below).

www.money.org/collector/drdarryl/blog/us-numismatics-discovery-models-part-1-2

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