What belongs on the back of a Bitcoin card? Spirit of Satoshi packs in the supply numbers and a full network primer.

Gold is almost too fitting for Quantitative Easing—a 421-card parallel from The Simulation, illustrated by BazaarComics.

Binder check: Purple Adam Back from The Simulation, illustrated by WorldofRusty. This one belongs where the page catches the light.

A lot of monetary history packed into one base card. Gold from FUD Busters has the kind of quote-heavy back worth stopping to read.

End of September card check. Still one of the better-looking cards from The Simulation. The Cantillon Effect

September 27, 2012. The Bitcoin Foundation launched to organize around the protocol. Bitcoin was already bigger than any one group, but people still tried to put structure around the chaos. Bitcoin

September 15, 2008. Lehman fell. The timing still feels unreal when you remember what showed up a few weeks later. Federal Reserve

September 2012. Bitcoin was still weird internet money, but merchants were already testing the rails. Bitcoin Exchange