Tube has 9 connector pins. "MADE IN U.S.A." and the RCA logo are printed in white on the side of the tube. The tube is enveloped in a padded paper sleeve, which fits into the box. The box is off-white with black text that reads "ONE ELECTRON TUBE JRC 5763 35800 PHILA-53-46 (61) MFD. BY RCA (RCA VICTOR DIV.) ACCPD. June 1953" and a Navy anchor flanked by "U" and "S".