Vacuum tube type 12AW6
A glass "ELECTRON TUBE" with 7 pins at the bottom. The print on the side of the tube is orange.
Radio Corporation of America (RCA)
Made in U.S.A.
||Printed faintly in silver near the top of the tube
||Printed in orange in the middle of the tube.
overall: 2 1/4 in x 3/4 in x 3/4 in