Sorry for the problem you found with the pen, I did not see anything particular on the body, it is a used pen, not new, but with at my eyes it seemed to be very fine indeed.
I have had some Aurora, Visconti, Pelikan and Omas pen with the same problem, expecially Aurora....I assume it's a problem due to the place where the pen has been stocked...I don't know more, anyway it will not change more, it will stay like this forever.
I can offer you two solutions:
1) you send me back the pen and I give you paypal refund
2) you keep the pen and I give you a discount with a paypal partial refund
We are very serious sellers, and we want to stay in good relationship with all our clients, so you make your decision.
In the case you want to send the pen back, I must give you my private address, not the business one you see on Ebay.