This Schwerin HSF example shows some bubbling, primarily to the reverse. Thoughts:
Could this be attributed to being die struck, then die cast in zinc and given a plating of bronze reacting with the base metal so that it shows a bubbling effect to the plating?
Sounds to be the most plausible explanation. You'll note the catch has been repaired on this specific example.
the reverse of the badge shows the bubbling much more profoundly than does the obverse.
Could this be attributed to being die struck, then die cast in zinc and given a plating of bronze reacting with the base metal so that it shows a bubbling effect to the plating?
Sounds to be the most plausible explanation. You'll note the catch has been repaired on this specific example.
the reverse of the badge shows the bubbling much more profoundly than does the obverse.
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