Additional notes and coin facts: The 1966 SMS (Special Mint Sets) were produced in San Francisco - but the coins in the set do not have any mint mark on them (essentially they are "No S" coins). These can sometimes be confused with Philadelphia-minted coins which did not have mint marks on them either in this time period.
Coin valuation chart: Typical coin prices, values and worth per grade or condition - in USD
Good (G-4)
Very Good (VG-8)
Fine (F-12)
Very Fine (VF-20)
Extremely Fine (EF-40)
About Uncirculated (AU-50)
Uncirculated (MS-60)
Uncirculated (MS-65)
Proof (PR-65)
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17
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(Only listing items in stephen11's Coinbook below)