Economical system of New Harmony

The economical system in New Harmony is that everyone lends a helping hand.  To  buy food from the food shop it is different every month each adult gets a certain amount of small coins which can only be used at the food shop to get food of their own taste.  The fairies make their own clothes and furniture by using magic which means everyone can chose their own style so no need for shopping.  So all they need is coins.
Here is a Picture of the coins: