You might be able to find out who made them with some searching on local history.
There's too much glare on the leaf tip to A and definition of leaf tip at the arrows. It's definitely not a type B. Here is a good reference....
Is there a date in Springfield History that correlates to why they stamped it. It could turn into a cool history lesson. And could add some value.
I am also in the details camp. AU details. The first photo shows a hazyness to the fields.
Use Caution the above photo may cause nausea. Do not look at it for a long period of time. PS I also think the piece was ornamental, and could...
These thick devices are common on Susans, It does look like you coin has been altered.
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