Originally Posted by
happyhippo
I asked the seller about it and was told that this is a cross hatch pattern done purposely to make the plastic stronger and resilient to impact.
The explanation of the seller that it is "
purposely done to make the plastic stronger" is complete nonsense. You mask ask him/her proof for this statement.
Hairline cracks in the inner barrel are not uncommon in vintage Pelikan 140 and 400 pens but a shattered glass look is really not normal. Maybe the pen will not leak ink into your shirt pocket (because the striated binde sits tightly around the barrel) but ink may creep between the inner barrel and the binde. These stains are difficult to remove and you likely need to place the pen for a prolonged period in the sonicator. But small and unnoticable cracks can significantly grow in length and number during a prolonged sonicator cleaning. Possibly, this is what has happened to your pen.
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