On the episode of AMC’s Mad Men that aired on 19 May 2013, a flower child named Wendy uses the I Ching to answer Don Draper’s question. “You don’t even need to say it out loud,” she says. “Just think it.”
She then tosses three coins on the coffee table, and from that coin toss, divines the answer to what she thinks Don’s question might be. (“Your question is, Does anyone love me. That’s everybody’s question.”)
Said coins look like this:
Your questions, Dear Reader, when watching the episode, may well have been, “1) What kind of coins are those? And 2) where can I get some?”
The answer to the first question: bronze Chinese cash coins, probably from the Song Dynasty, dating from 960-1279 CE.
The answer to the second question: right here.