Has anyone else apart from me ever seen any Esperanto coins? I have got the 1959 1 Stelo,which was struck at Utrecht,the Netherlands,plus I have got the 1990 Esperanto Congress commemorative 1 Peso coin from Cuba.
The first one you mention is not a coin. it is a fantasy piece. The second one however IS a bona fide coin, even though the chances of it being seen in circulation are remote. `Unusual World Coins' by Colin Bruce (a Krause publication) will give you a pretty good listing of fantasy pieces, while `Standard Catalogue of World Coins' gives a pretty good listing of the real McCoy.