Casa Nacional de la Moneda: Potosí’s Silver Mint

A 10-boliviano ticket buys you entry to the building that coined the world’s first global currency. The Casa Nacional de la Moneda sits one block from Plaza 10 de Noviembre in Potosí, Bolivia, and it is the country’s most visited museum — a 12,500-square-metre colonial complex where silver from Cerro Rico was pressed into Spanish dollars for more than two centuries. Most visitors spend two to three hours inside; the mandatory guided tour alone runs about 90 minutes, and the coin and art collections reward a slower second pass.

What You’ll See Inside the National Mint

The Building Itself

The current structure was built between 1759 and 1773, replacing an earlier mint from 1572 that stood on a different site. Architect Salvador de Villa designed a Baroque complex with more than 200 rooms spread across two city blocks, and the thick white walls still give it the look of a fortress — locals have long compared it to a prison. Above the carved stone portal on Calle Ayacucho, look for the details that mark it as royal property. In the first courtyard stands El Mascarón, a grotesque mask carved in 1856 by a French artist named Eugène Moullon. Historians still argue about who or what it depicts; it is definitely not Bacchus, despite the popular guess. The mask has become the emblem of the imperial city.

The Coining Machinery

The wooden coin-rolling mills are the reason this museum exists. These massive laminadores were driven by mules — and later by steam — to flatten silver bars into strips before the blanks were cut and stamped. You can walk right up to the presses on the ground floor. They are among the best-preserved colonial industrial machines in South America, and the wear on the wooden gears is visible. A later section displays the switch to steam and then electric power, which is where the story gets uncomfortable: the exhibits document the forced indigenous labour and African slaves who fed the machines.

The Collections

More than 12,000 objects are distributed across 23 collections. The numismatic cabinet holds coins from the 16th century onward, including the famous pieces of eight that circulated from Potosí to China and Europe. The art galleries upstairs contain colonial religious paintings, notably Andean works from the 17th and 18th centuries. A dedicated silver collection shows ore, ingots and finished pieces side by side. The museum also keeps a historical archive and library, which researchers can request to consult.

Practical Details for Your Visit

Hours and Tickets

The museum has shifted its schedule in recent years: a 2026 announcement confirmed it now opens Monday to Sunday, including Sundays, to widen public access. Typical hours are 8:30 to 16:30 on weekdays and 9:00 to 13:00 on Sundays, though holiday hours vary. Entry costs around 10 bolivianos for Bolivian nationals and more for foreign visitors — fees are subject to change, so check the official site or the ticket window for current rates. Photography inside requires a small extra payment. The visit is guided only; guides are available in Spanish and English, and private tours booked through operators typically last two hours.

Getting There and Altitude

The mint sits at roughly 4,000 metres above sea level, on Calle Ayacucho between Bolívar and Quijarro streets. From Plaza 10 de Noviembre it is a one-minute walk. Most travellers reach Potosí by bus from Sucre, a three-hour drive on paved road, and the town is also a stop on routes between Uyuni and Sucre. Take the altitude seriously: arrive a day early if you can, drink water steadily, and schedule the museum for your first afternoon rather than your first hour in town. The old centre is compact and steep, so walking is the default — no vehicle needed once you are near the plaza.

When to Go

May through October is the dry season, with clear skies and cold nights that can drop toward freezing. Those months bring the most stable weather and the largest crowds. November to April is wetter, with afternoon rain and fewer tour groups. The museum is indoor, so rain does not ruin the visit. Mornings are quieter than midday, when school groups arrive.

Frequently Asked Questions

Do I need to book tickets in advance?

No. Tickets are sold at the entrance on Calle Ayacucho, and tours depart throughout the day. Booking ahead only matters if you want a private English-speaking guide through an operator, which is worth it for the context on the machinery and labour history.

How long should I plan for the Casa Nacional de la Moneda?

Two to three hours covers the guided tour and a quick look at the art galleries. If you read Spanish and want to study the archive displays, add another hour.

Is the museum open on Sundays?

Yes, since 2026 it has operated seven days a week, with shorter Sunday hours, typically 9:00 to 13:00. Confirm locally around public holidays.

What else is nearby?

The Plaza 10 de Noviembre is one minute away, and the Convento San Francisco museum, with its silver collection, is a short walk uphill. Most visitors pair the mint with a Cerro Rico mine tour, but do the museum first — the working conditions described inside make more sense before you go underground.