Leica Genuine Yellow Filter (1) Silver Frame Rare Red Letter Engraving

【Rare Red Lettering】 Genuine Leica Yellow Filter (1) Silver Mount
This is a vintage Leica yellow filter from Ernst Leitz GmbH Wetzlar.
This is an extremely rare unit where the 1 on the side of the filter is in **red lettering (red engraving)**.
It is less common on the market than the regular black lettering type and is very popular as an item to dress up vintage lenses with silver barrels.
■ Product Details
• Manufacturer: Ernst Leitz GmbH Wetzlar (Leica)
• Filter Type: Yellow (1) / Red Lettering Engraving
• Mount Finish: Chrome (Silver Mount)
• Manufacturing: Made in Germany
■ Condition
• Glass Surface: As shown in the photos, the glass is very clear and in good condition considering its age. No noticeable fungus or haze is observed.
• Mount: The engraving Ernst Leitz GmbH Wetzlar Germany is also clear.
■ Shipping
As this is a delicate optical component, it will be carefully packed with cushioning material and shipped via Mercari便 with tracking and insurance.
How about this for collectors who have been searching for it, or for practical use and collection?