About 90 % of all Blue-John objects that have ever been made are unsigned and undated. Very few pieces have full provenance or historical documentation, even items in national collections. 

However, mining records exist, and along with information from parish records and our extensive database we are able to identify some objects, their makers and where and when they were made with a good degree of certainty.  

Our privileged opportunities to closely inspect and assess a huge number of Blue-John objects gives us an unrivalled expertise in the various methods, veins and materials used by craftsmen. Along with styles of cutting, construction and assembly used by individual craftsmen, we have been able to identify unique ‘trademarks’ that would otherwise go unnoticed by the untrained eye.  

Whether you are an auction house looking for a comprehensive condition report, or a private collector who wishes to know a little more about an object, our surveys are designed to form comprehensive overview and assessment of an item. 

From identifying the particular seams or veins of Blue-John used in construction through to the composition, construction and assembly of objects, our technical analysis reports leave no stone unturned. 

We are also able to identify potential problems and issues with objects and provide guidance on damage limitation and restoration.  

From forensic analysis of materials used in construction, along with the vein types used, we can build a comprehensive report to suit your individual needs and requirements.  

So whether you are looking for a comprehensive construction diagram of an object, or if you just want to know what seam or vein is used, we can help. 

With prices from just £15 we can offer services to cater for all budgets. Please contact us for your individual needs.