The tokens were stamped as a legal formality. States passed laws outlawing issuance of scrip for wages, in lieu of U.S. Currency and Coin.
As per the question about rarity, you can find more information on the topic here, where various rarity scales are outlined, including the Edkins' coal scrip rarity scale: http://www.novanumismatics.com/arti...arities.html
As per the question about rarity, you can find more information on the topic here, where various rarity scales are outlined, including the Edkins' coal scrip rarity scale: http://www.novanumismatics.com/arti...arities.html




















