This is similar to what our grandmother told. Sometime back in 40s or 50s , govt. introduced aluminum coins in place of the silver coins and people exchanged silver coins for aluminum coins . Had they retained those, the silver coins real worth would have been way higher than their face value.
Atleast he got 2 Pizzas in return. Better than the man who accidently threw away his hard drive with $800 million worth of BTC in it. He is still searching for the hard drive after 10+years🤣