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What Responsibility Means in Vintage Luxury
Authentication & Trust

What Responsibility Means in Vintage Luxury

Vintage luxury is never mass-produced.Each piece carries time, use, and history. Because of that, responsibility in vintage luxury is different. It does not begin at the moment of sale.And it does ...

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Why Japan’s Condition Grading Feels Strict — and Why That’s a Good Thing
Authentication & Trust

Why Japan’s Condition Grading Feels Strict — and Why That’s a Good Thing

When shopping for vintage luxury,some customers notice something immediately: Japan’s condition grading feels strict. Sometimes even more conservative than expected. At first glance, this may feel ...

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How We Authenticate Vintage Luxury in Japan
Authentication & Trust

How We Authenticate Vintage Luxury in Japan

Why Japan Is Trusted Worldwide —and How Sigma Collective Upholds That Trust When people around the world look for vintage luxury,many arrive at the same place. Japan. Quietly, consistently,Japan ha...

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