Exclusive | Gen Zer revives forgotten NYC businesses from a found old-school Rolodex and New Yorkers are obsessed

One New Yorker is proving the city’s past is just a business card away.After stumbling upon a dusty Rolodex at an Upper East Side estate sale, Mari Huang, 31, has turned a stranger’s curated collection of business cards into a heartwarming nostalgia rabbit hole — tracking down old-school NYC shops, performers and neighborhood gems that somehow survived decades of change.The Crown Heights resident’s step back in time began with a $5 impulse buy at an estate sale in an old apartment building near Central Park in January 2025, just months after she moved to the city from Ohio.Since spotting the hidden gem, Huang has documented her visits to these old-school businesses, the ones still around, in her viral “Rolodex Recs” TikTok series that has since become a love letter to the New York many longtime residents thought was gone forever.“I’ve had so much fun since I discovered the Rolodex and I’m a really nostalgic person,” Huang told The Post.“Physical media matters so much to me, and I loved finding a tangible list of places to discover that were loved by a longtime New Yorker.”The business card holder — which she later learned isn’t technically a Rolodex at all — belonged to an Upper East Side woman affectionately known as “Peach,” who died in 2024 at 79 after a life filled with art, museums, travel, volunteering and, apparently, impeccable taste.“I saw the Rolodex sitting there among this woman’s really cool and eclectic things in the apartment and knew I had to bring it home,” adding that she could tell the woman had “such a chic signature style based on her clothing, artwork and trinkets” that were all for sale.Upon examining the holder a little closer, Huang, who works in social media management, quickly realized she wasn’t just buying an organizer — she was inheriting someone else’s New York.“I wanted to make a series centered around New York and I wanted to go to the places found in the Rolodex that this woman we...