We now have another tray from a 67 that is the same design as what Jon posted.
Updated List-
67 DaveV same design as Jon's No tab correct angled nuts
67 Jon’s 1100 mile take off-No Tab- correct angled nuts
67 11A LOS Has tab but not as pronounced as many. Robert
68 03D NOR Has tab Darrell
68 04D NOR Has tab Janobyte
68 05E NOR Has tab Danny
68 06A NOR Has tab DaveV
68 07C NOR Has tab JerryG
68 07D NOR Has tab Skip
69 LOS Has tab Mike1971
69 NOR Has tab Mike1971
69 11A NOR No tab Has angled nuts & orig. battery hold down clamp. Noyenko
69 Has tab but not as pronounced as many. Noyenko
69 01C NOR Has tab Jude
69 02D NOR Has tab SteveS
69 03B NOR Has tab SteveS
69 08C NOR Has tab Bullitt65
69 09A NOR Has tab (late built) Robert
69 09D NOR Has tab (late built) Skip
Note the fang like prongs just like what Jon has on his battery tray.