1 sen Showa 1938 Japan problem

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rmuniak
Joined: 30 Apr 2019
Posts: 122
Posted: 27 May 2021, 17:24 #
Posted: #
Have 2 beat up coins that Are identified in numista as being 20 mm. as you can see these are around 16.5 mm and exactly the same design. Can't find the smaller version in numista are they mis-marked or are these a different coin
Ray Muniak Retired artist/sculptor . 79 years old. 4 children 10 grandchildren 2 great grandchildren. Also worked as a wood patternmaker (Foundry industry) for 27 years before becoming a full time artist.
rsirian1
Joined: 20 Nov 2020
Posts: 12943
Posted: 27 May 2021, 17:37 #
Posted: #
Looks like closer to 17.5 mm.



https://en.numista.com/catalogue/pieces8949.html ?
Sjoelund
Joined: 28 Mar 2012
Posts: 15834
Posted: 27 May 2021, 23:12 #
Posted: #
Showa 13 (1938)
y47 23.00 mm
y55 23.03
y56 17.43
so just what is the problem?
Globetrotter
Coin varieties in French:
https://monnaiesetvarietes.numista.com
Essor Prof Catalogue referee
Joined: 13 Apr 2015
Posts: 4745
Posted: 28 May 2021, 13:22 #
Posted: #
Quote: "rmuniak"​Have 2 beat up coins that Are identified in numista as being 20 mm.
​Where in Numista can you see these are identified as being 20 mm.?



Numista says these are 17.6 mm. and that's exactly what your coins are when you look at rsirian1's enlarged picture of your coin.
Essor Prof Catalogue referee
Joined: 13 Apr 2015
Posts: 4745
Posted: 28 May 2021, 13:29 #
Posted: #
Quote: "Sjoelund"​​Showa 13 (1938)
​y47 23.00 mm
​y55 23.03
​y56 17.43
so just what is the problem?

​Ole, Y# 47 and Y# 55 are bronze types, Y# 47 is even totally different. So what do they do in your answer?
Sjoelund
Joined: 28 Mar 2012
Posts: 15834
Posted: 28 May 2021, 14:06 #
Posted: #
Quote: "Essor Prof"​
Quote: "Sjoelund"​​Showa 13 (1938)
​​y47 23.00 mm
​​y55 23.03
​​y56 17.43
​so just what is the problem?
​
​
​​Ole, Y# 47 and Y# 55 are bronze types, Y# 47 is even totally different. So what do they do in your answer?
​all 1938
Globetrotter
Coin varieties in French:
https://monnaiesetvarietes.numista.com
rsirian1
Joined: 20 Nov 2020
Posts: 12943
Posted: 28 May 2021, 18:45 #
Posted: #
Quote: "Essor Prof"​
Quote: "rmuniak"​Have 2 beat up coins that Are identified in numista as being 20 mm.
​​Where in Numista can you see these are identified as being 20 mm.?
​
​
​
​Numista says these are 17.6 mm. and that's exactly what your coins are when you look at rsirian1's enlarged picture of your coin.
​Probably was looking at the 20 mm pattern. https://en.numista.com/catalogue/pieces165181.html
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