The card is a pale, translucent-green covered by brass-colored printing on the obverse side and silver-colored solder lines covered by a bright-green square layer on the reverse side. The obverse is covered with orange-red, yellow, multi-colored, and silver components; all four circular, silver-colored components are made by Texas Instruments and are marked "CT305." The obverse substrate is marked "128052b/A" on the left side, "SER b/A" on the right side, and " NO. 117375, INVERSEUR, and IT15" along the bottom. The reverse side is marked with two black stamps, reading "008368" and "132274," and a red, circular stamp that reads "C 24."