RE: A Crisp 1928 US Red Note: Legal Tender at Face Value

Perhaps. His executive order was never rescinded. Kennedy did not believe silver was useful as a monetary function, other than for coins. Of course all that silver in our change was replaced with copper and dross right after the.... incident.

I again urge a revision in our silver policy to reflect the status of silver as a metal for which there is an expanding industrial demand. Except for its use in coins, silver serves no useful monetary function.

He wanted to re-issue silver certificates and begin minting silver dollars again. But ironically, it was to ween the US off of silver-backed currency to go 100% fiat. The 1964 silver dollar never came about and the modern green seal FED NOTES became popular soon after.

to issue silver certificates against any silver bullion, silver, or standard silver dollars in the Treasury not then held for redemption of any outstanding silver certificates, to prescribe the denominations of such silver certificates, and to coin standard silver dollars and subsidiary silver currency for their redemption,"

If the US still had silver in reserve, they could issue silver certificates and silver dollars again... but they won't. The best we get are collector's "commemorative dollars".