This is a Lassen Twiad set Morgan dollar and an Australian coin I beleve. what can you tell me about this copper coin? thanks

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I'd PM TWOCAN here. He'd probably know.

They're most likely replica or simulation coins which are struck the approximate size of a crown. They're all dated 1879 but are recent strikes. Lassen would probably be the one to ask.

Have you used this set? It looks beautiful.

Yes, it is actually a Lassen TWIAD set (a more specialized sun and moon). I use this copper coin [ with the C/S insert to do the Eric Jones Glitch Change but I have to go copper - silver - copper the way mine is made. I would like to know a little about the coin to tell the spectator.

I believe NicholasD is right. Lassen calls them Crowns on his site, but Crowns were only sporadically minted after 1800 (and then usually to commemorate the first year of a new monarch's reign). Also, real Crowns were made with real silver and have a blue-ish or silver color.

Here is an example of a beautiful "unofficial" Crown struck in bronze in 2001 (though the year on the coin is 1879):

http://nucoinsandnotes.blogspot.com/2011......own.html

Crowns have a long and illustrious history and have been minted for special occasions up until recent times. Additional fact for patter: for most of its 400+ year history a Crown was worth five shillings.

See here for more history:

http://en.wikipedia.org/wiki/Crown_(British_coin)