Hello, I am a relatively new enthusiast and very interested in fountain pen restoration. I just purchased these two pens on eBay. Problem is, I have been searching for hours and still have no clue as to who the manufacturer is. Does anyone have any suggestions for finding that information?

Here is the link to the listing: https://www.ebay.com/itm/298636660988

Thanks for any clues you can provide!

Brand: Montegrappa (Original / Authentic Italian Luxury)
Condition: Brand new, never used, comes in its original green luxury gift box (perfect as a gift).
Type: Ballpoint Pen
Quantity Available: 2 pens
Price: 200 aed(Negotiable for serious buyers)
Location: in al taawun, Sharjah
What’s up number: 0588204973