Look for the red dots , and help the Museum Store clear its shelves for exciting new merchandise. The Museum Store is currently featuring their entire line of blank and greeting cards for all occasions.
Art does fit into an envelope.
A card is art when it embodies the nature of art. The conjunction of the literal and the metaphoric is the nature of art. An artist is a metaphor maker. Only through metaphor does intent become visible. Meaning's personality is, by its nature, metaphoric.