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Wrong font, dot next to 90. Is this an obvious fake or is there a modern Speedy I am not aware of that takes one of these?

 

Probably from the aventurine moon phase. Not a fake, just a modern bezel. Seller is a member here too.

Eg: http://www.fratellowatches.com/speedy-tuesday-speedmaster-professional-moonphase-aventurine/

 

Not from aventurine was those are special bezels. Looks like from another 44.25 .002 or .001 model

 

definitely not the real thing if you look for a bezel for your 2998-1 or -2