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but it is also designed and mixed with the finest ingredients
The Binnenhof is the oldest House of Parliament in the world still in use
and uses Lamy's M16 ballpoint refill
Surface Tension: 55
Get 30ml of this Emerald ink and make a difference today
L'Artisan Pastellier Encre Sympathique Invisible Ink Size:4ml Sample but it is also designedL'Artisan Pastellier's Encre Sympathique Invisible Ink is ideal for discreet communication. The heat activated formula, which contains cobalt chloride, remains invisible until heated, revealing a clear blue script. After a few hours, the ink returns to its original invisible state, allowing messages to be kept secret and secure. Perfect for confidential notes or spies!
US$ 167.99
US$ 103.00