A person holds a bottle wrapped in gold foil & a wine glass. Other wine glasses and a champagne bottle sit on a table.

Champagne cap collecting, known formally as placomusophilie, is the practice of collecting the metal medallion (the "plaque de muselet") on top of the wire cage that holds a champagne cork in place. It is one of the fastest-growing niches in ephemera collecting, for the same reasons stamps and coins have held collectors for a century: the pieces are small, endlessly varied, tied to a real place and date, and easy to start for free. If you have ever pulled a cap off a bottle and wondered whether it was worth keeping, the short answer is yes. The seven things below will save you from the two mistakes almost every new collector makes: throwing away caps that turn out to be valuable, and storing the ones they keep in a way that quietly ruins them.

In this article

1. You Have a Name Now: You're a Placomusophile

The hobby traces back to the Champagne region of France, where enthusiasts began formally trading and cataloguing caps in the late 20th century and coined the term placomusophilie for the practice, and placomusophile for the person who does it. It has stayed a largely European hobby in name, but the objects themselves travel everywhere a bottle of sparkling wine does, which is why English-language collecting resources are still thin even as interest grows among US collectors.

2. The Cap Has Three Parts, and Collectors Really Want One of Them

What most people call "the cap" is actually three things working together: the wire cage (the muselet itself), a foil or paper skirt, and the small metal disc on top, the plaque. The plaque is what carries the artwork, the house crest, the vintage mark, or the special edition design, and it is what collectors are almost always chasing. Some collectors keep the plaque alone (unbent, flattened), others keep the full assembled cap with cage and foil intact. Decide which you are early, because it changes how you remove and store every piece from here on.

Whichever you choose, plaque alone or full assembly, most new collectors want a way to see their best pieces early on, not just file them away out of sight.

SAFE champagne cap display case with velvet tray holding 60 caps
Display Upgrade
Champagne Cap Display Case with Velvet Tray

Holds 60 caps flat and separated on a velvet tray, so a growing collection can actually be seen instead of stacked in a drawer.

3. Not All Caps Are Created Equal, Some Are Worth Real Money

Most caps are worth nothing more than the story attached to them, and that is fine, the hobby was never about resale. But a real secondary market exists for limited editions, discontinued house designs, and caps tied to a specific vintage or event, with rare examples from top houses changing hands for well beyond their bottle's original price among serious collectors and traders. Condition is the deciding factor every time: a bent plaque, rust spotting, or a stripped painted surface can turn a rare find into a common one.

4. There Are Two Ways to Collect, Pick Yours

Placomusophiles generally split into two camps, and knowing which one you are shapes how you build a collection from here.

The personal approach means keeping only caps from bottles you have actually opened yourself, tied to a specific date, celebration, or trip. It builds slower, but every piece in the album has a story attached, which is part of the appeal for collectors who treat this more like a journal than an inventory.

The volume approach means sourcing caps without drinking the bottles yourself. Ask at restaurants and wine bars that go through sparkling wine by the case (most will happily save caps for a regular), check estate sales and antique shops where a jar of old caps often turns up as an afterthought, and look for cap-swap communities online, where collectors trade duplicates rather than buy them individually. A single evening at a wedding or a New Year's Eve party can net a dozen caps if you simply ask before the trash goes out.

Most collectors end up doing some of both. Neither is more "correct," they just optimize for different things: story versus size.

5. How You Clean a Cap Decides Whether It Survives

A cap fresh off a bottle is sticky, sometimes rusted at the wire, and not ready for an album. Rinse it briefly in cool water to remove sugar residue, never soak it, since standing water accelerates rust on the wire cage and can lift the painted design off the plaque. Pat dry immediately and let it air-dry fully before storing it. If you're keeping the plaque alone, flatten it gently by hand rather than with tools that can scratch the finish. Handle by the edges wherever possible; the oils from fingertips are enough to dull a plaque's coating over months in an album.

6. Storage Is What Separates a Collection From a Shoebox

This is where most new collectors lose value without realizing it. A shoebox lets caps rub against each other, which wears the printed design faster than almost anything else, and it does nothing to control humidity, which is the main cause of the rust spotting that ruins wire cages. A collection worth keeping needs pages that hold each cap separately, in a material that won't react with the metal over time, kept somewhere out of direct sun and away from damp.

Some collectors also like to keep the bottle's label alongside its cap, since the two together tell the full story of the wine in a way the cap alone doesn't. The SAFE Collecto system is built for this: because it takes standard Collecto pages rather than a fixed layout, you can add pocket pages designed for labels and other flat ephemera right next to your champagne cap pages in the same album, so the cap and its label live together without needing a second binder.

SAFE Collecto champagne cap collection album with velvet pages SAFE Collecto 2-pocket page for storing champagne labels alongside caps
Build the Full System
Collecto Album + Label Pages

Together, the Collecto album and its pocket pages create a complete champagne collecting ecosystem: caps on one page, the matching label right beside it, all in a single binder built for the shape of what you're actually keeping.

If you're keeping the full cage assembly rather than the plaque alone, a flat album page will still fight you: the wire cage does not sit flat the way a plaque does, and forcing it in bends the cage or crushes the foil. That shape problem is exactly what a deep, compartmentalized drawer is built to solve.

SAFE Nova Exquisite Double-Depth Drawer for full champagne cap and cage assemblies
For Full-Cage Collectors
Nova Exquisite Double-Depth Drawer

Built for collectibles that do not sit flat, with enough depth for the wire cage and foil to rest intact instead of crushed into a page.

7. Where to Find Your First 50 Caps

Beyond restaurants and estate sales, three sources fill out a collection fastest: online cap-swap communities and forums built specifically around placomusophilie, general collectibles marketplaces where sellers list caps by house and vintage, and local wine shop staff, who often set aside caps once they know a regular customer collects them. Champagne houses themselves occasionally release limited-edition plaques for anniversaries or events, which are worth watching for if you want pieces with documented rarity from day one.

Frequently Asked Questions

What is a champagne cap collector called?

A placomusophile. The hobby is called placomusophilie, a term that originated among French collectors and has since spread with the hobby itself.

What is a muselet?

The muselet is the wire cage that holds a champagne cork under pressure. Collectors are usually after the plaque, the decorated metal disc on top of the muselet, rather than the wire cage itself, though some keep the full assembly intact.

How much is a rare champagne cap worth?

Common caps are worth little beyond sentimental value, but limited editions, discontinued house designs, and vintage-specific plaques in strong condition can sell for well above a bottle's original price in the collector market. Condition, rarity, and house reputation all factor into price.

Can you start collecting without drinking champagne?

Yes. Most collectors build the bulk of their collection through restaurants, wine bars, estate sales, and trading with other collectors rather than by opening bottles themselves.

What's the best way to store a champagne cap collection?

Caps should be kept flat, separated from each other, and away from humidity and direct sunlight. A dedicated album or display case with individual slots protects the printed design and prevents the rust spotting that loose storage invites.

Give Your Champagne Caps a Real Home

Browse SAFE's full range of champagne cap albums, display cases, and specialty drawers, built for the plaque, not adapted from a coin page.

Shop Champagne Cap Supplies →

Thank you for protecting your collection with SAFE.

Champagne caps, How-to, Placomusophilie, Specialty collectibles