Hi

I'm new to vintage FP's and have seen a couple of 1930's/40's celluloid pens that I'm thinking of acquiring (not within my means, of course!). One of them, an OMAS Lucens, has a very little ambering on an otherwise predominently blue barrel. Is this something to be worried about? Is the material deteriorating, perhaps? I actually like the effect...

Many thanks,
Lucien