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Alan Hodgkinson – Gem Testing Techniques

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Gem Testing Techniques

We are the official retailer of Gem Testing Techniques by Alan Hodgkinson. Copies of Gem Testing Techniques are released monthly on a first-come, first-served basis. This lets this independent, part-time business run by Valerie Hodgkinson fit around her other commitments.

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  • Hong Kong SAR HKD $
  • India INR ₹
  • Malaysia MYR RM
  • Mexico GBP £
  • New Zealand NZD $
  • South Africa GBP £
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