Does pewter hold a polish?
All the pieces I have seen have been a dull lead Gray
This is one of the sources I am using to try and figure out what it is:
https://www.impressart.com/media/wysiwyg/resources/stamping-blank-hardness-chart.pngIt looks like silver may leave a streak on paper
But known sterling feels cooler to the touch than the mystery metal.
An aluminum can tab doesn't seem to leave a mark on copper or paper
I would think it was plastic, but it clicks like metal when dropped on a countertop.