Collectable, a leading sports memorabilia investment platform, is raising an additional $5.5 million as part of a Series A funding round, led by Amplo, Bain Capital Ventures and Fifth Down Capital.

Other notable investors include Rose Park Advisors, Evolution VC Partners, Anthony and Joseph Pompliano, Colin Anderson (Friends and Family Capital, former CFO of Palantir) and Jeff Pearlman (Partner, LNK Partners).