Build a 5-10% Alternative Allocation with PCGS-Graded Coins: What You Can Complete in 30 Days
https://zenwriting.net/aspaidbajz/when-a-single-coin-sale-changed-how-i-thought-about-specializing-in-one-series
If you are 35-65 and want to diversify beyond stocks and bonds, graded coins present a tangible, time-tested alternative