Isle of Mann one crown coin

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bill98502
Joined: 25 Oct 2025
Posts: 2
Posted: 25 Oct 2025, 07:40 #
Posted: #

I have a 1990 Isle of Man one crown "alley cat" coin.   39 mm diameter, 28.5 g weight. I measured the density, and it is 9.0 g/mm^3. Can not identify metal, thought it was silver but could not be at that density?

Would appreciate knowing what the metal is and is the coin worth anything.

Thank you.

brismike Numista team
Joined: 17 May 2015
Posts: 1920
Posted: 25 Oct 2025, 08:11 #
Posted: #

N#32673

 

Copper Nickel

 

Uncirculated you might get 5 to 10 pounds for it.

 

Mike

Master Referee - See my profile for what I collect.
 
bill98502
Joined: 25 Oct 2025
Posts: 2
Posted: 25 Oct 2025, 20:23 #
Posted: #

Thank you. 

MMowiec Catalogue referee
Joined: 19 Sep 2019
Posts: 753
Posted: 26 Oct 2025, 05:49 #
Posted: #

Yes, CuNi definitly.

Silver version of this cat series has written “Ag 1 oz” above the denomiation  “CROWN”.

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