21,000,000(21M) can't actually be limited edition. Why not we face bitcoins as they are instead of comparing them to any such kind of stuffs. Bitcoins are not yet compared to money but we should expect that bitcoins has the benefits and guts to overcome money and even rule the financial systems. There are a lot of markets currently which are accepting bitcoins as a legal mean of payment on their platform which is actively converting bitcoins from an artwork to a monetary financial system and it is our whole and sole duty to accept bitcoins in the form they could benefit us. Each single satoshi is going to have vast importance in the coming time.