I believe plenty of people already do hoard pre-1982 pennies for this exact reason. And the laws only apply within the country (although bulk exportation is ge

I believe plenty of people already do hoard pre-1982 pennies for this exact reason. And the laws only apply within the country (although bulk exportation is generally illegal). In Australia in the 1920s and 1930s there was a bit of illegal exporting of silver coins to South-East Asia due to the high silver content.