The "Invitation card for the opening of the Joan Miró Barcelona Foundation" designed by Joan Miró is a graphic work that combines his distinctive style with a functional purpose. In this piece, Miró uses abstract lines, colors and shapes to convey a sense of joy and celebration. His design captures the essence of his work: a world of imagination and symbolism. The card serves as a link between the art and the event, inviting the viewer to explore Miró's creative vision as he celebrates the opening of his foundation in Barcelona.