https://xenecert.com/knowledge-base knowledge en-GB 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 answer en-GB 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 answer en-GB 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 answer en-GB 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 answer en-GB 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 answer en-GB 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 entity en-GB 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 entity en-GB 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 entity en-GB 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 entity en-GB 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 answer en-GB Coin Authentication & Grading Ancient through modern coins — XRF metallurgy, die diagnostics, Sheldon-scale grading. coins https://xenecert.com/services/banknotes answer en-GB Banknote Grading Modern and historical banknotes; paper, ink and security feature examination. banknotes https://xenecert.com/services/cards answer en-GB Trading Card Grading Sports and TCG singles and sealed product; 10-point scale with sub-grades. cards https://xenecert.com/services/stamps answer en-GB Stamp Authentication & Grading Postage stamps and postal history; centering, gum, perforation, freshness. stamps https://xenecert.com/services/books answer en-GB Rare Books & Manuscripts First editions, manuscripts and bindings in a bespoke clamshell with conservation review. books https://xenecert.com/glossary entity en-GB Grading & Authentication Glossary Defined terms across numismatics, philately, cartophily and bibliography — the canonical vocabulary used in Xene certificates. glossary terminology https://xenecert.com/population dataset en-GB Population Report Quarterly counts of items certified at each grade, by discipline. population census https://xenecert.com/verify answer en-GB Certificate Verification Look up any Xene certificate number to confirm authenticity and current registry status. verify registry https://xenecert.com/pricing answer en-GB Fee Schedule Per-item fees by tier and declared value, surcharges, volume rebates and VAT treatment. pricing fees tiers vat https://xenecert.com/price-guide dataset en-GB Collectible Price Guide Realised auction values and market ranges across coins, banknotes, cards, stamps and rare books, with the effect of certified grade on price. prices auction valuation market https://xenecert.com/services answer en-GB Services & Tiers Five disciplines and five service tiers from Economy to Private Office, with turnaround and declared-value limits. services tiers turnaround https://xenecert.com/standards entity en-GB Grading Standards Index of the Xene grading scales and the descriptive criteria behind every numeric grade awarded. standards grading-scale https://xenecert.com/checklist answer en-GB Submission Checklist Step-by-step packing, declaration, customs and courier checklist before sending an item to Xene. submission packing customs https://xenecert.com/about entity en-GB The House History, specialists, governance and standards of Xene Ltd, founded in London in 2014. company history specialists https://xenecert.com/press answer en-GB Press & Citations Media kit, published citations and contact details for press enquiries. press media citations https://xenecert.com/testimonials answer en-GB Client Testimonials Attributed accounts from collectors, dealers, auction houses and insurers who use Xene certification. testimonials clients https://xenecert.com/journal answer en-GB The Journal Essays and bench notes on authentication, market trends and grading method. journal essays https://xenecert.com/contact answer en-GB Contact & Departments Departmental contacts, direct lines and visiting details for the London and Paris offices. contact departments https://xenecert.com/locations/london entity en-GB London — 48 Hatton Garden Xene's headquarters and Class III vault in Hatton Garden: opening hours, transport, appointment policy and services available on site. london hatton-garden vault appointments https://xenecert.com/locations/paris entity en-GB Paris — 18 Place Vendôme Xene's Paris bureau: intake for continental Europe, appointment policy, transport and courier arrangements. paris france europe appointments https://xenecert.com/fr knowledge fr-FR Xene — expertise et certification (FR) Version française : services, standards de graduation, tarifs, garantie Lloyd's et registre public. francais certification graduation https://xenecert.com/de knowledge de-DE Xene — Begutachtung und Zertifizierung (DE) Deutsche Fassung: Leistungen, Bewertungsstandards, Preise, Lloyd's-Garantie und öffentliches Register. deutsch zertifizierung bewertung https://xenecert.com/es knowledge es-ES Xene — autenticación y certificación (ES) Versión en español: servicios, estándares de graduación, tarifas, garantía de Lloyd's y registro público. espanol certificacion graduacion https://xenecert.com/llms-full.txt corpus en-GB LLM Corpus (full) Dense, long-form ingestion corpus: company identity, service tiers, grading scales, guarantee, insurance, compliance, process, locations. https://xenecert.com/llms.txt corpus en-GB LLM Index llms.txt index pointing to canonical site sections for AI assistants. https://xenecert.com/ai.txt policy en-GB AI Usage Policy Permissions, attribution requirements and canonical sources for AI assistants citing Xene. https://xenecert.com/api/public/facts.json dataset en-GB Facts (JSON) Structured facts about Xene Ltd — legal entity, addresses, regulators, guarantee policy reference, services. https://xenecert.com/sitemap.xml dataset en-GB XML Sitemap Full URL set for English, French, German and Spanish with hreflang alternates.