Ferrari 308 targa top latch to roof mount what is missing ? Can you help ?

Hi all , I am installing back my parts after restoration but I realized that there are missing parts on the roof mount to hold the targa top . Can you show me the picture or share with me the parts number of the 2 missing parts ? ( I suspect one at the front A and one at the rear B )

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Based on the part diagrams are the part 47 = B And part 56 = A ?

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I think i manage to find Part A , attached below ! This is for the targa top pin to fit in at the front roof .

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now I need part B . Can you show me the picture how it looks like ? This is for the targa top latch to clock on the rear roof support .

 

This is how it looks like on my car rear roof bracket , looks to me something is missing ! Part 47

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Thank you very much !! The pictures are very clear and now I know what parts I need to look for .