The P342 Rectangle Barrette: A Collector’s Guide to 1950s British Hair Accessories

The P342 rectangle barrette first appeared in British department stores in the early 1950s, stamped with a simple 'Made in England' mark. It’s a plain, functional clip—no rhinestones, no floral motifs—just a clean rectangle with a spring-loaded hinge. Vintage collectors prize it for its sturdy build and understated look. This guide covers its history, how to spot a real one, and how to style and care for it today.

The P342 Rectangle Barrette: A 1950s Icon

The P342 reflects post-war British design at its most practical. While the 1950s are often remembered for dramatic silhouettes and bold prints, hair accessories took a quieter turn. The rectangle barrette, with its smooth metal or resin body and no-nonsense clasp, was made for women who wanted a polished look without fuss. Unlike the P112 puka shell hair accessory, which carried a beachy, bohemian vibe, the P342 was designed for town wear—think tailored suits, neat chignons, and afternoon tea.

Why the Rectangle Shape?

The rectangle wasn’t just a stylistic choice; it was a functional one. A longer, straight barrette distributes the weight of the clip evenly across the hair, preventing the pulling and slipping that rounder clips often cause. This made it ideal for holding thicker sections of hair in place, especially for women with fine or medium-textured hair who wanted a secure hold without damaging their set. The flat profile also meant it could sit flush against the head, disappearing into an updo or adding a sleek accent to a half-up style.

Materials and Construction

The P342 was made from a few key materials. The most common:

• Metal: Often brass or steel, plated with gold or silver. The plating might be matte or shiny, depending on the manufacturer. Look for a weighty feel—cheap modern replicas are usually lighter.
• Resin or plastic: Early plastics like cellulose acetate or Bakelite were used, especially in the 1940s and 1950s. These have a warm, slightly translucent quality and can develop a patina over time.
• Enamel: Some P342s feature a coloured enamel coating, often in muted tones like forest green, burgundy, or navy. These are rarer and highly collectible.

The clasp mechanism is a critical feature. Vintage P342s typically have a spring-loaded hinge with a metal tooth that grips the hair. Over time, the spring can weaken, so when you’re buying, always test the tension. A good vintage clip should snap shut firmly and not feel flimsy.

How to Identify an Authentic P342

Because the rectangle barrette is such a classic shape, many modern reproductions exist. To spot a real one, check these details:

• Weight: Authentic mid-century pieces used thicker metal and denser plastics. If it feels feather-light, be suspicious.
• Patina: Look for signs of age—tiny scratches, discolouration on metal, or a slight yellowing on clear plastic. These are natural and add character, but beware of artificially distressed fakes.
• Manufacturer marks: Some P342s were stamped with a maker’s mark or a country of origin, like “England” or “Made in England”. This is a strong indicator of authenticity.
• Clasp design: The hinge and tooth should be simple and functional. Modern clips often use a different hinge mechanism, so compare the construction to known vintage examples.

Styling the P342 with a Modern Wardrobe

The beauty of the P342 is its versatility. It can be worn in countless ways, whether you’re going for a retro look or just want a touch of vintage flair in your everyday style. Try these ideas:

• The Sleek Low Bun: Smooth your hair back into a low bun and slide the P342 horizontally just above the nape of your neck. This adds a polished, architectural element to a simple style.
• The Half-Up Twist: Take a small section from each side of your head, twist them back, and secure with the P342. This is perfect for showing off the clip’s shape while keeping hair off your face.
• As a Side Accent: Part your hair to one side and clip the P342 vertically along the part line. It’s a subtle way to add interest to straight hair.
• With a Scarf: Pair the barrette with a silk scarf tied at the nape, as seen in many 1950s fashion editorials. The clip can hold the scarf in place, creating a cohesive vintage-inspired look.

For those who love the full vintage aesthetic, the P342 pairs beautifully with the C44 Maison Archives Hair Bow—a 1960s London atelier icon—by layering the bow at the crown and using the barrette to secure a side sweep. The contrast between the soft bow and the sharp rectangle is striking.

Caring for Your P342 Barrette

Vintage hair clips need gentle handling. Keep your P342 in top condition with these steps:

• Cleaning: Use a soft, dry cloth to wipe off dust and oils. For stubborn dirt, dampen a cotton bud with mild soapy water and gently clean the surface, then dry immediately. Never soak the clip, as water can damage the hinge and loosen the plating.
• Storage: Store your barrette in a jewellery box or a soft pouch, away from direct sunlight and humidity. Extreme temperature changes can cause plastics to warp or become brittle.
• Spring tension: If the clasp feels loose, you can gently bend the metal tooth outward with a pair of needle-nose pliers. Work slowly and carefully, testing the grip after each small adjustment.
• Avoiding hair damage: Always remove the clip by pressing down on the hinge and sliding it out, rather than yanking it. This prevents both hair breakage and stress on the clip.

Where to Find P342 Barrettes

You can hunt for P342s at flea markets, vintage fairs, and online auction sites. When buying online, ask for clear photos of the hinge and any marks. If you’re in the UK, charity shops in smaller towns sometimes have hidden gems—it’s worth a browse. If you’re looking for a specific colour or condition, be prepared to wait; the best pieces come from patient searching.

The P342 in Context

The P342 also tells a story about 1950s Britain. Women were entering the workforce, and they needed practical accessories that looked polished. This barrette fit that need—no frills, just reliable design. It contrasts with the more decorative pieces from the same period, such as the P104 hair comb, which often featured intricate filigree and gemstone accents.

Final Practical Tip

One last detail: the P342 was often sold in pairs, so if you come across two identical clips, snap them up. They’re perfect for securing both sides of a half-up style. And if you’re ever unsure about authenticity, check the hinge—real P342s have a distinct two-piece construction that modern replicas rarely replicate.