03/18/1966
https://www.presidency.ucsb.edu...
"I propose no change in either the penny or the nickel."
"The United States is not exempt from that shortage--and we will not be exempt as it worsens."
"I want you to quote me."
"I am, therefore, proposing certain changes in our coinage system--changes dictated by need-which will help Americans to carry out their daily transactions in the most efficient way possible."