China has been around a lot longer than the US has. So being made in China is not an indication that the item isn't "vintage." Neiman Marcus sells items manufactured in China just as every other department store does. Many of the best labels are manufactured in China.
"Vintage" is a subjective term. It means "of an era." An item could be mid-century vintage, vintage 1990s, or a chardonnay that is vintage 2022, etc. Generally an item could be considered vintage when it is about 20 years old or older, but that is not a hard and fast rule.
Yes, a seller can describe anything as "vintage" without defining "vintage."
Inceptions
Volunteer Community Mentor, buying and selling on eBay since 2004
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