(!!!) (Best 12A Pair) 12A Coronado USA NOS 1940-1948 same build (7.0ma and 7.5ma)
(!!) (Recommended Pair) CX-112A Cunningham and UX-112A RCA Balloon engraved base used/strong 1930 era (8.8ma and 9ma)
(!) (#1 12A Single) 12A Sylvania green leaf NOS 1940's original box (8ma)
(!) (Best Single) CX-112A Cunningham Balloon engraved base tests like new (10.2ma)
(!) (Best Single) UX-112A RCA Radiotron Balloon engraved base tests like new (10ma)
(!) UX-112A RCA Radiotron Balloon engraved base used/good (7.1ma)
112A Balloon no name with blue "Type 112-A" sticker on glass used/good (4.7ma)
112A Rayovac Balloon engraved base used/very good, internals like a UX-112A RCA (8.5ma)
DX-112A Paramount by RCA balloon used/good 1930 era (6.0ma)
