must-have ! HASE Glass Studio Glass Pen Blue, Flowing Water, Short

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Here's the English translation:

lovely blue glass pen with a wave pattern.
The nib also has a slight blue tint, making it exceptionally charming.
I was captivated by it and bought it, but I haven't had a chance to use it, so I'm putting it up for sale.

- Brand: HASE GLASS WORKS
- Product Name: Glass Pen
- Color: Blue
- Design: Flowing Water
- Nib Width: Medium-Broad

I used it highly carefully, so there are no chips or damage.
I purchased it about a year and a half ago, but I only displayed it and not once used it.
I bought it over a year ago, and I've lost the warranty card. Please understand this before purchasing.