Would this standout enough against black ink if used for grading papers?

Yes, that is what I use it for. It is a more subtle red than red ballpoint ink.

I have an old a.w.faber castell castello 7 fountain pen -do you know if these cartridges will fit this pen?

I am not familiar with the particular vintage fountain pen. But, if the pen accepts standard size cartridges- it probably does- then, this product should work.

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Graf von Faber-Castell Ink cartridges, Cobalt Blue 6X, 141101

Product ID: 48717481

Details

Brand
Graf von
Item dimensions L x W x H
48 x 42 x 8
Number of pieces
6
Point type
Fine
Style
Fountain

🌿vibrant nature-inspired cobalt blue

💧smudge-resistant & waterproof

🖋️6 premium ink cartridges

€ 17.34

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Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖋️ Elevate your writing game with ink that never fades into the background.

PERFECT PEN PARTNER - Designed to complement high-end fountain pens with fine, consistent lines.
GERMAN CRAFTSMANSHIP - Premium quality ink made in Germany, trusted by professionals and creatives alike.
INDELIBLE RELIABLE - Smudge-proof, waterproof, and light-fast ink that stands the test of time.
EFFORTLESS WRITING FLOW - Experience smooth ink delivery that starts instantly, even after breaks.
NATURE INSPIRED VIBRANCY - Rich cobalt blue pigment crafted from exclusive formulas for a striking look.

Graf von Faber-Castell Ink Cartridges in Cobalt Blue come in a pack of 6, featuring indelible, smudge-resistant, waterproof ink inspired by nature’s vibrant hues. Crafted in Germany, these cartridges ensure smooth, reliable flow and are designed for fine-point fountain pens, making them the ultimate choice for professionals seeking lasting quality and style.

Specifications

ASIN	B00JDATSTM
Best Sellers Rank	53,253 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 514 in Pen Refills
Brand Name	Graf von Faber-Castell
Country Of Origin	Germany
Customer Reviews	4.5 4.5 out of 5 stars (687)
Global Trade Identification Number	04005401411017
Ink Colour	Blue
Item Dimensions	48 x 42 x 8 millimetres
Item Type Name	Graf von Faber-Castell Cobalt Blue Ink Cartridges
Manufacturer	Graf von Faber-Castell
Manufacturer Part Number	141101
Model Number	141101
Number of Pieces	6
Package Size Name	Pack of 6
Point Type	Fine
Style	Fountain
Unit Count	6.0 count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 17.34

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Slovakia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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