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Australia 1981 10 Cents Muled With Sri Lanka 50 Cents?

 
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Author Previous TopicReplies: 11 / Views: 531Next Topic  
Pillar of the Community

Australia
3500 Posts
 Posted 08/04/2022  12:20 pm Show Profile   Bookmark this topic Add gxseries to your friends list Get a Link to this Message
Was scrolling and saw this in numista

https://en.numista.com/catalogue/pieces1282.html

Mule - Struck on a Sri Lanka 50 Cent planchet

Mintage of supposedly 1. One

Did some research as in 1981, some Australian coins were struck in Wales. Wales mint did strike some coins for Sri Lanka as well so somehow some mint sport did occur...

I thought that's pretty neat...
My partial coin collection http://www.omnicoin.com/collection/gxseries

My numismatics articles and collection: http://www.gxseries.com/numis/numis_index.htm Regularly updated at least once a month.
Pillar of the Community
Canada
685 Posts
 Posted 08/04/2022  12:43 pm  Show Profile   Bookmark this reply Add Panda to your friends list Get a Link to this Reply
This mint error should be called "wrong planchet".

"Mule" means mis-match obv/rev die pair.
Pillar of the Community
Australia
3500 Posts
 Posted 08/05/2022  9:16 pm  Show Profile   Bookmark this reply Add gxseries to your friends list Get a Link to this Reply
Is there any pics of this?

I've seen 20 cents struck over Hong Kong $2 and 1 dollar struck over Venezuela 1 Bolivar or 2 dollar struck over 10 euro cents

My partial coin collection http://www.omnicoin.com/collection/gxseries

My numismatics articles and collection: http://www.gxseries.com/numis/numis_index.htm Regularly updated at least once a month.
Pillar of the Community
Australia
2086 Posts
 Posted 08/13/2022  03:48 am  Show Profile   Bookmark this reply Add Mr T to your friends list Get a Link to this Reply
Interesting - first I've heard of it.

Does Numista track contributions so we can see who added it?
Pillar of the Community
Australia
3500 Posts
 Posted 08/14/2022  12:23 am  Show Profile   Bookmark this reply Add gxseries to your friends list Get a Link to this Reply
I think it is a well known error. Krause and NGC has it on their Catalog

https://www.ngccoin.com/price-guide...duid-1216986

Can't find any other references
My partial coin collection http://www.omnicoin.com/collection/gxseries

My numismatics articles and collection: http://www.gxseries.com/numis/numis_index.htm Regularly updated at least once a month.
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Australia
14653 Posts
 Posted 08/14/2022  03:20 am  Show Profile   Bookmark this reply Add Sap to your friends list Get a Link to this Reply
Ah, I think I've cracked why it's called a "mule", and why there aren't pics of it.

Up until 1982, the Sri Lankan 50 cents coin (KM 135.1) had a security edge - that's the edge that looks like a "coin sandwich", with top and bottom milled as usual, but in between is a deep groove with designs stamped inside the groove. The other specs are very close to that of the 10 cent piece (cupronickel, 5.5 grams).

So the "mule" has a security edge. And it can technically be called a "mule" because a wrong die was indeed used to make the coin: the wrong third die, the collar die, the one with the security edge. It hadn't actually been used for Sri Lankan coins since 1978, so was presumably sitting around the mint in storage, perhaps incorrectly labelled.

I'm only puzzled as to how they know "only one" was made; if it's a genuine mint error, the number made would be unknown.

Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis
Pillar of the Community
Australia
2086 Posts
Pillar of the Community
Australia
3500 Posts
 Posted 08/18/2022  03:47 am  Show Profile   Bookmark this reply Add gxseries to your friends list Get a Link to this Reply
As Sap mentioned, the supposedly mintage of one is interesting.

Surely some cricket and coin fan would jump at this coin when it comes to Australia and Sri Lanka. Or I'm hearing crickets...

My partial coin collection http://www.omnicoin.com/collection/gxseries

My numismatics articles and collection: http://www.gxseries.com/numis/numis_index.htm Regularly updated at least once a month.
Pillar of the Community
Australia
3500 Posts
 Posted 09/05/2022  07:47 am  Show Profile   Bookmark this reply Add gxseries to your friends list Get a Link to this Reply





My partial coin collection http://www.omnicoin.com/collection/gxseries

My numismatics articles and collection: http://www.gxseries.com/numis/numis_index.htm Regularly updated at least once a month.
Pillar of the Community
Australia
2086 Posts
Bedrock of the Community
Australia
20052 Posts
 Posted 09/23/2022  03:37 am  Show Profile   Bookmark this reply Add sel_69l to your friends list Get a Link to this Reply
Would have to be a Royal Mint strike.
Mints normally receive blanks, but upset the edge into planchets and strike in the Mint.
Since the RM strike for many Countries (including Sri Lanka) and the RAM did not for this denomination and date it follows that this coin eminated from London or Llanstrissant.
Pillar of the Community
Australia
3500 Posts
 Posted 09/23/2022  08:14 am  Show Profile   Bookmark this reply Add gxseries to your friends list Get a Link to this Reply
I own this piece and thought I'd do some research

Isn't 1981 also the same year the famous scallop 20 cents was struck too?
My partial coin collection http://www.omnicoin.com/collection/gxseries

My numismatics articles and collection: http://www.gxseries.com/numis/numis_index.htm Regularly updated at least once a month.
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