When people ponder the investment opportunity around collectibles, they probably think about things like wine auctions, sales of very expensive, old cars or baseball cards, or maybe a pocket watch that made an unlikely appearance on an antiques TV show, hoping that their piece of treasured tat might one day also be worth millions. But a startup announcing some funding today is hoping that you might add another kind of more realistic kind of collectibles investment into the mix: taking equity in an objet that you might not own outright, but…