(!!!!!) (Best Pair) 5814A Philips JAN USA by Sylvania NOS 1985 (10/11ma and 9.5/10.5ma) 1-3% matched (same Gm)
(!!!) (Best Single 1953) JG-5814 GE NOS "square getter halo" and "short wide ribbed dark black plates" 1953 in white box (11.0/12.5ma)
(!!!) (Good Value) JG-5814A GE triple mica "U" getter halo like new 1955 in white box (8.8/9.6ma)
(!!) 5814A RCA black plates used/good 1964 (7.2/8.4ma)
(!) (Slightly microphonic) JG-5814A GE NOS triple mica "U" getter halo 1956 (10.2/10.4ma) 1-2% section balance (high Ma and Gm)