These days, for better or for worse, luxury accessories are to twentysomething influencers what stuffed animals are to toddlers — items to collect. And like the plushie toys, designer goods — bags, belts, shoes and sunglasses — make for an impressive show-and-tell.

The latest “It” accessory to be touted by the upper echelons of TikTok: an Hermès Birkin .

Hermès Birkin Eléa Lefèvre/Courtesy of Sotheby’s

The $10,000 to $300,000 bag (depending on the size, model and year) is being snapped up by social media creators now more than ever.

Trendsetter Alix Earle soft-launched her Birkin back in January, subsequently sharing an unfiltered, anti-aesthetic “what’s in my bag” video to which commenters likened her to the original muse, Jane Birkin . In March, influencer Danielle Pheloung posted her own unboxing of a brown “Birkin 25” after securing a sought-after appointment at Hermès in Paris.…