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Hennessy and Martell are different Cognac brands, and “old Cognac” is not a shared expression. Hennessy X.O and Martell Cordon Bleu show why product identity, history and bottle-shape evidence must remain brand-specific.
Hennessy and Martell are different Cognac brands, and “old Cognac” is not a shared expression. Transcribe the complete product name first. Hennessy X.O and Martell Cordon Bleu are two official examples showing why brand history, expression history and bottle-shape information cannot be transferred from one to the other.
Specific differences between the two official examples
| Item | Hennessy X.O | Martell Cordon Bleu |
|---|---|---|
| Brand | Hennessy | Martell |
| Official expression | Hennessy X.O | Martell Cordon Bleu |
| Created or launched by the brand | Maurice Hennessy created X.O in 1870 | Martell states that Cordon Bleu was officially launched in 1912 |
| Bottle-history source | The official X.O page documents the history of its decanter in 1947 | Check Cordon Bleu against its product page and the bottle shape of the item in hand |
Identify the expression on the older bottle first
- Hennessy makes more than X.O, and Martell makes more than Cordon Bleu. The complete name on the front label is the primary key for the inventory.
- Transcribe the bottle size, ABV, front and back labels, bottle base, import label and box components bottle by bottle.
- A current official page cannot date historic packaging. An older bottle needs a contemporaneous catalogue or traceable provenance.
- Group by brand, expression and bottle size before comparing the closure, fill level, labels and accessories.
Frequently asked questions about older Hennessy and Martell bottles
Are Hennessy X.O and Cordon Bleu the same grade?
That cannot be concluded from market terminology alone. Record the official expression first, then check the bottle labels and any applicable statutory classification.
Do similar bottle shapes from the two brands indicate the same period?
No. Each brand has its own packaging history. Also check the bottle size, labels, bottle base, import records and contemporaneous sources.
Can a current product image date an older bottle?
No. A current page supports the contemporary expression and any history it expressly states; historic packaging needs separate evidence.
Primary sources and scope
- Hennessy X.O: supports the formal identity and history of X.O.
- Martell Cordon Bleu: supports the formal Cordon Bleu expression and its 1912 launch.
An official page supports only the names, specifications and history expressly stated there. The vintage or year, edition, authenticity, accessories and condition of an individual item must still be checked separately.
Related resources on this site
Prepare verifiable records
When documenting older Hennessy or Martell Cognac, assign a unique number to each bottle and match it to full views, front and back labels, key markings, accessories, provenance and visible anomalies. Do not infer measurements or inspection findings from similar online images. You can send a numbered list and clear photographs via WhatsApp, or call +852 9453 0784. Making contact does not mean that an appraisal or quotation has been completed. Any conclusion remains subject to verifiable records and inspection of the item.