Printed in grey near top of tube and in black on the box
box: 3 in x 1 in x 1 in; tube: 2 1/8 in x 13/16 in x 13/16 in
This tube has 9 connector pins. "SYLVANIA" and "MADE IN U.S.A." are printed in white on the side of the tube. The box is off-white with black text. The text on the box reads: "ONE ELECTRON TUBE JHS-12AT7 CONTRACT NO. AF33 (038) 18497 MF'D BY SYLVANIA ELECTRIC Acceptance Date 5-53".