Mexico 1968 Summer Olympics Volleyball Airmail Stamp

This is a horizontal rectangular postage stamp from the 1968 Mexico City Olympics, specifically issued for airmail service as indicated by the word 'AEREO'. Measured against standard issues of this series, it features a vibrant yellow-orange background with silhouettes of volleyball players in black, capturing an action scene at the net. The upper right corner displays the stylized 'Mexico 68' logo, known for its Op-art influenced parallel lines and concentric circles. The denomination is clearly marked as '$2' in the top left. The bottom margin includes the names 'WYMAN' (referencing graphic designer Lance Wyman), the year '1968', and the acronym 'T.I.E.V.' signifying the printer (Talleres de Impresión de Estampillas y Valores). In terms of condition, the stamp shows a heavy, circular black ink cancellation mark sweeping across the upper portion of the design, indicating it was used on a piece of mail. The perforation edges appear somewhat irregular and worn, particularly on the left and bottom right corners, where some teeth are blunted. There is visible surface grime consistent with postal handling. The printing reflects the modern, high-contrast graphic style of the late 1960s, a period renowned for Mexican philatelic design innovation.