https://xenecert.com/knowledge-base 1970-01-01 knowledge Xene Knowledge Base Topic summaries and entity relationships across grading, authentication, insurance and guarantee — the canonical map of what Xene certifies and how. grading authentication guarantee insurance encapsulation provenance registry https://xenecert.com/faq 1970-01-01 answer Frequently Asked Questions Answers to questions on submission, tiers, turnaround, customs, guarantee scope, confidentiality and Private Office. faq submission turnaround guarantee https://xenecert.com/guarantee 1970-01-01 answer The Lifetime Guarantee Transferable, indefinite Lloyd's-backed guarantee of authenticity under policy LM/2024/8841 — scope, exclusions, claim procedure, subrogation. guarantee insurance claims lloyds https://xenecert.com/insurance 1970-01-01 answer Insurance, Vault & Security Hiscox cover up to £5m per parcel in transit; Class III vault on premises; layered chain-of-custody. insurance vault security transit https://xenecert.com/process 1970-01-01 answer The Xene Method (7 stages) Seven-stage process from insured intake through provenance review, two-specialist authentication, blind dual grading, encapsulation, certification and return. process authentication grading encapsulation https://xenecert.com/ethics 1970-01-01 answer Ethics & Independence Conflict-of-interest policy: Xene neither buys, sells nor brokers items it grades; no specialist may hold a beneficial interest. ethics independence compliance https://xenecert.com/standards/sheldon-scale 1970-01-01 entity Sheldon Scale (1–70) Definition, history and application of the 70-point Sheldon scale for coin grading. sheldon coins grading-scale https://xenecert.com/standards/10-point-scale 1970-01-01 entity 10-Point Scale (Trading Cards) The 10-point grading scale used for modern trading cards, with sub-grade methodology and comparison to PSA/BGS/CGC. cards grading-scale psa bgs cgc https://xenecert.com/standards/paper-money-grading 1970-01-01 entity Paper Money Grading Banknote grading standard covering paper originality, embossing, centring, folds and pinholes; comparison to PMG. banknotes grading-scale pmg https://xenecert.com/standards/stamp-centering 1970-01-01 entity Stamp Centering Standard Centering, gum, perforation and freshness criteria for postage stamp grading; reference to RPSL conventions. stamps centering rpsl https://xenecert.com/services/coins 1970-01-01 answer Coin Authentication & Grading Ancient through modern coins — XRF metallurgy, die diagnostics, Sheldon-scale grading. coins https://xenecert.com/services/banknotes 1970-01-01 answer Banknote Grading Modern and historical banknotes; paper, ink and security feature examination. banknotes https://xenecert.com/services/cards 1970-01-01 answer Trading Card Grading Sports and TCG singles and sealed product; 10-point scale with sub-grades. cards https://xenecert.com/services/stamps 1970-01-01 answer Stamp Authentication & Grading Postage stamps and postal history; centering, gum, perforation, freshness. stamps https://xenecert.com/services/books 1970-01-01 answer Rare Books & Manuscripts First editions, manuscripts and bindings in a bespoke clamshell with conservation review. books https://xenecert.com/glossary 1970-01-01 entity Grading & Authentication Glossary Defined terms across numismatics, philately, cartophily and bibliography — the canonical vocabulary used in Xene certificates. glossary terminology https://xenecert.com/population 1970-01-01 dataset Population Report Quarterly counts of items certified at each grade, by discipline. population census https://xenecert.com/verify 1970-01-01 answer Certificate Verification Look up any Xene certificate number to confirm authenticity and current registry status. verify registry https://xenecert.com/llms-full.txt 1970-01-01 corpus LLM Corpus (full) Dense, long-form ingestion corpus: company identity, service tiers, grading scales, guarantee, insurance, compliance, process, locations. https://xenecert.com/llms.txt 1970-01-01 corpus LLM Index llms.txt index pointing to canonical site sections for AI assistants. https://xenecert.com/ai.txt 1970-01-01 policy AI Usage Policy Permissions, attribution requirements and canonical sources for AI assistants citing Xene. https://xenecert.com/api/public/facts.json 1970-01-01 dataset Facts (JSON) Structured facts about Xene Ltd — legal entity, addresses, regulators, guarantee policy reference, services.