Before Offering 1982 Lafite: Provenance, Storage, Fill and Closure
Before offering a 1982 Château Lafite Rothschild for sale, separate information about the vintage and wine from the...
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Buyback guides
Practical notes on wine, watches, jewellery, supplements, valuation factors, condition checks, and settlement flow.
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Kweichow Moutai: Visible Evidence in Seals, Codes and Labels
Photographs of Kweichow Moutai can document the sealing film, printed code, front and back labels, box label, bottle...
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La Tâche: Checking Vintage, Bottle Condition and Provenance
Start with La Tâche’s status as a DRC monopole, then record the vintage, volume, fill level, closure, wooden...
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Before Offering Romanée-Conti: Identity, Condition and Provenance Checklist
Before offering a Romanée-Conti bottle, prepare a numbered checklist covering identity, condition and provenance. Use the same number...
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Rolex Submariner and Daytona: Data Required for an Appraisal
This page explains which records to check when assessing a Rolex Submariner or Daytona for buyback. Before handover,...
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After a Cigar Cabinet Gets Damp: Humidity, Mould and Wrapper Checks
After moisture affects a cigar cabinet, stop using suspect cigars and isolate the affected items. Do not assume...
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Old Gold: Hallmarks, Weight, Mountings and Test Records
This guide explains how to classify old gold using fineness marks, weight, mountings and test records. Build the...
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Penny Black and Error Stamps: Margins, Paper, Gum and Layout
This guide separates Penny Black margins, paper and gum from the perforation checks that apply to other stamp...
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Older Renminbi: Edition, Prefix, Paper and Storage Records
For older renminbi, establish the historical identity from the currency series, issuer, denomination, year, layout, prefix and serial...
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Free initial appraisal
Not sure about year, edition or market value? Send photos first.
For aged wine, whisky, Maotai, supplements, watches, gold or collectibles, send front, seal, year, accessory or serial-number photos. Hong Kang will reply with a reference direction based on Hong Kong and Macau market activity.
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