Self loosening mild steel screws, nuts & bolts £250, as above but pre treated with rust £350
Don‘t laugh, this type of marketing as with rusty screws is existend.
You can buy a „vintage reissue“ Gibson Les Paul made by the Custom Shop (more hand made steps) VOS means vintage original specification. A fine instrument like my 2010 made Eric Clapton 1960 slim neck Beano Les Paul Standard guitar that EC plays on the John Mayall & the Bluesbreakers album. It is really an awesome guitar. But you can pay 50% more if the same model is „aged“, like rusted screws (in the case of the Beano Les Paul you could pay the double amount when signed by EC which was no bad idea as this models now 11 years later go through the roof). So „aged“ looks used and the wood, so they tell you, is processed in some oven heated and dried or otherwise altered. This corresponds to your example of the pre-rusted screws.
I like to spend money on a very nice instrument. But this "aged" marketing is made for wealthy idiots. It is the illusion that a new guitar today is like one from 1960.
But the biggest nonsense is this: no matter which Les Paul model we take that was rebuilt in a custom store (I also have a Michael Bloomfield Les Paul), „aged“ is nonsense. The proof: When the Bluesbreaker album was recorded, the guitar was six years old. When Peter Green recorded Black magic woman his guitar was 7 years old. When EC played with Cream his Es335 was 3 years old or so. So...the good sound came from guitars that were almost new.
And today idiots pay for a sound that is supposed to sound 50 years old. Even though I like great guitars, it's in your fingers and in your heart how it sounds.
You can make fun of me for having such personalized reissues. But the fact is that Gibson took even more care in building these models and used the best woods and it was limited to 300 pieces in total.