rolt968 Posted 29 January , 2022 Share Posted 29 January , 2022 Was the chemical composition of the death plaque alloy always the same? I have noticed that the death plaques attached to gravestones in the same cemetery are turning different colours. (I have checked. it isn't caused by dripping water from trees. The plaques are different colours on gravestones which are not under trees.) RM Link to comment Share on other sites More sharing options...
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