This is a full-color, photo postcard of a NWA 998 shergottite thin section viewed in cross-polarized light. The back side has information about this famous Martian meteorite. It is in brand new condition and is unmailed and unmarked. This card measures 6 inches by 5 inches. This postcard was part of a limited edition run of 500 back in 2003.
Refer to the photos. You get the postcard shown.