In my years of research on these early TV's my definite opinion is that 4 corner clip version is the earliest. It's in all the early literature. The change must've happened early on because, by far, you most often see the later center clip version. The 4-corner clip versions rarely turn-up, although that doesn't equate to any value increase.
"Chuck" has it backwards.
Last edited by decojoe67; 06-08-2018 at 01:43 PM.
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