Vintage 1998 Superman USPS Stamp Foil Notecards

CONDITION: new in unopened package but has opening in shrink wrap & 1 of the note cards slid down in package and looks curved at bottom edge, see photos Vintage 1998 Superman Stamp Collectibles 6 Foil Notecards USPS x DC Comics Retro Features Superman Arrives 1938 retro stamp from the Celebrate the Century US Post Service program Cards measure approx 6.25" x 4" Magic effects cards foil shine in the light