How to value a unique 17th century English manuscript

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January 9, 2020

Recently I purchased this fascinating c. 1650 English manuscript on the famous Philosopher’s Stone. 17th century English alchemy manuscripts are rare in commerce and valuing them with few rare book auction comparables can be a challenge. Below I made a short video of how I, as an antiquarian book dealer, go about evaluating a unique text. Hope you enjoy this brief video with mentions of Crusades, Imprisonment in the Tower, and how to turn lead into gold – as well as a few pointers on how to value antique books.