In the annals of internet history, few images hold the weight of the now-iconic "Buy Bitcoin" sign. Back in 2017, during a pivotal moment for cryptocurrency, Christian Langalis, forever known as "Bitcoin Sign Guy," snuck a guerrilla marketing masterpiece into the halls of power.

Imagine the scene: Janet Yellen, then-Federal Reserve Chair, lays out her stance on monetary policy. Suddenly, a lone yellow legal pad breaches the decorum, emblazoned with a simple yet revolutionary message: "Buy Bitcoin." This act of crypto-activism, captured by the watchful eye of a camera, went viral, etching itself into the collective memory of the Bitcoin faithful.

The unassuming sign, more than just cardboard and ink, became a symbol. It represented the burgeoning defiance of a new financial era, one where digital gold challenged the established order. Langalis, the accidental hero, is now parting ways with this piece of history. The sign, a physical artifact in a virtual world, is going up for auction, a chance to own a tangible piece of the Bitcoin revolution.

The bidding war opens on April 18th, a chance to not only claim a cultural icon but a potential financial windfall. After all, Bitcoin itself skyrocketed from a mere $1,000 in 2017 to its current perch around $69,000. With the closing gavel falling on April 24th, the question remains: who will own this symbol of a movement that continues to disrupt the status quo?