Yes 1970-D is 40% silver. In 1976 there were 40% silver uncirculated and proof coins struck at San Francisco. The no FG is 72-D, 82-P & 83-P.
Any halves 1964 and older are 90% silver. 1965 through 1970-D and 1976-S are 40% silver.
Look for any S mint proofs.
90% silver proofs were struck at San Francisco from 1992 to present.
Occasionally a commemorative might be in there
Any halves 1964 and older are 90% silver. 1965 through 1970-D and 1976-S are 40% silver.
Look for any S mint proofs.
90% silver proofs were struck at San Francisco from 1992 to present.
Occasionally a commemorative might be in there
Tim Hughes




















