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- Permanent & waterproof archival ink
- Writes blue at first and then oxidises almost to black within a few seconds
- N.B. This ink is acidic in nature and it is advisable to periodically flush out the pen used
- Not recommended for vintage pens or those made of porous materials such as ebonite
- 30ml glass bottle
- Made in England
Absolutely loving it.
I am going to order some more this week.
very happy with purchase
By Rev. Sylvia Wilson
The product arrive on time and in tact. I am very happy with the product and the service