1808/9 NGC VF 25 Bolivia 4 Reales Overdate Error Potosi Charles IV Potosi Silver Coin (23081201C)Very Fine Bolivia silver 4 reales coin. Rare Mint Error with last 8 clearly engraved over a 9, a published variety. Struck for King Charles IV while a colony of Spain. Minted at the Potosi Mint (mint mark PST monogram, assayer P J). Overdate variety 8 9 mint error, but not annotated as such NGC on label. Certified by NGC to VF 25, appears to be conservatively graded. NGC has no 1808 9 coins in their Population Census, Correct Population Census should