Question

Hafnium Hf

Accepted Answer

72 Faithful Half Dollar. 72 is half a gross (of 144). Also, there are 72 ounces of silver in $100 of silver halves (or quarters or dimes). The ones dated 1964 or earlier are silver.

Name	Hafnium
Number	72
Symbol	Hf
Memory sentence	Faithful Half Dollar. 72 is half a gross (of 144). Also, there are 72 ounces of silver in $100 of silver halves (or quarters or dimes). The ones dated 1964 or earlier are silver.

Hf Half Silver Hafnium Fait Ul Dollar Gross