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(!!!!) 6336A Tungsol branded Heintz and Kaufman 1960's (62/76ma) ***
(!!!) (Recommended Single) 6336A Tungsol NOS 1960 era (75/80ma) ***
(!!!) 6336 Chatham metal plates used 1954 (59/74ma)
(!!!) 6336 Chatham metal plates used 1957 (57/53ma)
(!!) (Best used single #1) 5998 Tungsol branded IBM black plates used/good 1960 rattle inside base (75/74ma) 1-3% section balance
(!!) (Best used single #3) 5998 Tungsol branded IBM black plates used/good 1960 rattle inside base (70ma/92ma) (strong Gm)
(!) (Best Value used) 5998 Tungsol branded IBM black plates used/good 1961 very small rattle inside base (68ma/67ma)
(!) 5998 Tungsol branded IBM black plates used/good 1961 in white box (62ma/68ma)