The hole in the CB was framed by Marcello Pisani , tot auto authenticate his own inventions in 2008 , on orilogio passione
orologi.forumfree.it
Even though you can clearly see the CB is acid etched.
There he got called out for BS .
Later in 2010 they alsof got called out on the German Rolex forum , about that .
www.r-l-x.de
Prior to 2008 i have found no evidence of holes in the CB
The earliest FAP Daytona where introduced by Mondani , in 94 on antiquorum then they still wrote Perù with the accent on the U to the left that is how you write Peru in italian . Spanish is accent tot right in the U perû . Aerea without accent is in Italian with accent Aérea Is Spanish. It eightet Aérea Perû with accent on both or Aerea Peru without accents on both .
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Many of FAP stamps differ in shape form or Caligraphy which claimed ro be authentic by auction houses or experts like Pisanni or Randazzo
Also the claim issued and archived by Rolex tot FAP is BS . I Read Spanish language blogs which always claim FAP watches where sold on the airforce Bazar for airforce personel, while Randozzo wrote an exotic fairy tale , including that they printed lightly or faded. Ofcourse they are because you need to polish off all the hairlines before pantographing the letters. Also you see many Rolex FAP with damaged or cracked casebacks due tot overpolsihing.
So yeah invention maybe Dr Strong FAP expert can Change my mind !