I don't have the specific ad illustration for the (2nd generation?) "Academy Award" related timepieces marketed/sold AFTER the lawsuit was settled (in 1950) which allowed Bulova rights to continue selling OFF these same case designs, while apparently refraining from utilizing any remaining "gold or silver curtain" dials (?) but interestingly... this watch is engraved: 4.15, 1951 (see the live ebay listing below, for reference:)
and this is clearly another (original) '51 "X" dial in a modified His Excellency "UU" style case, akin to the others... And likely one of two "X" dial styles in the same (AA) style cases, manf. in 1950/51 (?) and sporting the 1949 (- 51?) 21J "7AA" (vs. 7AK) movements...
The interesting thing about this particular watch (which is just like the remaining one I just received back and will soon resell... see image no. 5 below) is that it was actually engraved and given as a gift... in 1951! (i.e. vs. later resold in say 1953 +/-) And therefore it appears that these same CASES might well have also been used (AND SOLD?) with 7AA movements in 1950, 51(and maybe later?) as either Academys (maybe to Academy Award "Runners up," and/or the general public?) Or maybe not?! (But there is the one ad illustrating this model, as such! THE PLOT THICKENS, or not?!
P.S. And my thanks to Marlin Silva, for the eB listing link!