Achievements of tech: Four 1987 Australian maximum cards released in celebration of achievements in technology (ceramics, bionic ear, microchip, robotics)

One of four 1987 Australian maximum cards released in celebration of "achievements in technology" (ceramics, microchip, bionic ear, robotics)

One of four 1987 Australian maximum cards released in celebration of "achievements in technology" (ceramics, bionic ear, microchip, robotics)