Concerning celluloid pens, vintage or new - Not acrylic resin pens.
I know that celluloid outgasses with no warning. It may be weeks, or it may be several decades from date of manufacture before it starts to outgas.
I know there is no cure once it starts, and nothing that can be done to prevent outgassing from starting.
Celluloid "is a ticking time bomb" that may go off at any time.
When it outgasses, it is an acidic gas, that will affect any metal near it.
People who collect knives keep their celluloid knives away from their other knives to avoid damaging any nearby innocents when they start to outgas. Once they start, the only option is to remove the covers/handles, to minimize damage to the knife in question.
Some are known to keep their celluloid handled knives in individual canning jars, with the lid on.
What about celluloid pens?
Do you avoid them?
When (not "if") they outgas, do you salvage what parts you can and toss the body and cap in the trash?
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