A tennis ball rendered in overlapping circles of yellow, olive, and navy blue floats at the center of a geometric composition of rust-red triangles arranged in a pinwheel pattern against a cream ground. The composition balances playful modernist geometry with the precision of sport, rendered in a vintage poster aesthetic with clean lines and bold, saturated color. Printed on smooth white card stock and made to order, artwork on the front, blank inside, envelopes included in every set. A handwritten note that arrives as an independent artist's work.