Signed, Sealed, Delivered (I'm Yours), Stevie Wonder (1970)
A recent FIAPCE acquisition is this card by Ben; and by Philip Corner.
Initially, Ben Vautier produced the card with its printed declaration, author's stage name and date.
JE SIGNE TOUTBEN 1960
Theatre of the Autograph(er)s of Regard
detail
A Person Looks At A Work Of Art/
someone looks at something...
LOGOS/HA HA