Its ONYX, a lovely ebonite pen from Guider Pens in use today which is inked with home-brew mix of Camlin Scarlet Red and Camlin Royal Blue.

The nib on this has been replaced with Wality #8 nib which is self grind to Medium Cursive Italic.

The word of the day is : Intransigence

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Regards

Vaibhav Mehandiratta