Gold Courvoisier Napoleon

A reader asked me to tell some information about a Gold Courvoisier Napoleon, does anyone have more information about is?

She asked: Would like to know age & value of bottle in gold & black.
Courvoisier Napoleon Cognac Cour Imperiale. Produce of France. The Brandy of Napoleon. Also has a limited number on seal. The bottle is gold with black cracks all over as the detail. Has never been opened & kept well over many years.
We would like to know what it is valued- It is a bottle 700ml Thank you!

Information I found about it on the internet:
-Botteling must be found place in the 60′s or 70′s

Hope you guys have more information about the Courvoisier!

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