Palm Beach residents Kimberly Murstein and her grandmother, Gail, have amassed more than half a million followers on Instagram and over 400,000 followers on TikTok. Viewers tune into Murstein’s content to hear Grandma Gail’s best advice, much of which involves her spirited opinions about dating and fashion. Beyond receiving Gail’s grandmotherly guidance, Murstein is also privy to her closet, which contains classic, sophisticated pieces such as cashmere cardigans, silk scarves, and Birkin bags. Grandma Gail’s closet proves what many of us already know: Southern grandmothers have the best clothes that are still timeless today. If you’ve already pillaged your own grandmother’s closet, don’t fret. Estate sales are a treasure trove for uncovering vintage clothing, and real hidden gems…..