25Z5 Cunningham used/good 1940's (55/40 and 57/40)
25Z5 Philco used/good 1940's (50/40 and 51/40)
25Z5 Sylvania used/tests like new 1940's (53/40 and 54/40)
25Z5 Tungsol used/like new 1940's (55/40 and 55/40)