Vintage shopping rewards the observant. The same op shop rail that hides a genuine 1960s wool coat also hides fast-fashion pieces made last year with brass buttons and a distressed finish designed to fool you. Knowing how to tell them apart doesn't require years of expertise. It requires knowing a handful of things to look for before you hand over your money.
Start with the label
The care label is the fastest clue you have. Care labels with washing instructions printed on a woven tag weren't required in Australia until the 1970s, and they didn't become standardised with the familiar symbol system until the 1980s. A piece with no care label at all is likely pre-1970s. A label with text-only washing instructions ("wash separately in cold water") points to the 1970s or early 1980s. If you see the international care symbols alongside metric sizing, you're looking at something made from the mid-1980s onward.
Country of origin labels are equally useful. "Made in West Germany" on a ceramic or a piece of clothing immediately places it before 1990, when East and West Germany reunified. "Made in Czechoslovakia" places it before 1993. These aren't foolproof, but they narrow the field quickly. Reproductions rarely bother faking the specific geopolitical labels.
Look at the construction, not just the surface
Surface patina is easy to fake. Construction is harder. On clothing, flip a garment inside out and check the seams. Pre-1960s pieces are often hand-finished or feature bound seams with a distinctive folded edge. Overlocked (serged) seams became the norm from the 1970s and are still standard today, so overlocking on its own doesn't mean something is new, but the quality of the thread and the evenness of the stitch often tells you more than the technique does.
On furniture and homewares, look at the joinery. Dovetail joints on the inside of a drawer, cut by hand rather than machine, are a good indicator of pre-1940s cabinetmaking. Machine-cut dovetails are still dovetails, but they're uniform and perfectly spaced. Hand-cut versions vary slightly from joint to joint. That irregularity is a feature, not a flaw. Flat-pack construction with cam locks or particleboard is a firm sign you're looking at something modern regardless of the stain applied to it.
Read the wear patterns honestly
Genuine wear is asymmetrical and specific to how an object was actually used. On a vintage chair, the front edge of a seat cushion wears before the back does. The arms wear where hands rest, not evenly across the surface. On clothing, collars and cuffs fade before the body does, and pocket edges fray at the corners rather than along the whole length.
Artificial distressing tends to be even and patterned. Sandpaper wear marks on denim follow straight lines. "Antiqued" brass hardware on reproduction furniture is uniformly dulled rather than worn only at the contact points. If the wear looks designed rather than earned, trust that instinct. It usually is.
Condition isn't everything when it comes to age verification. A well-stored piece from 1955 can look almost new. What you're checking is whether the wear present is consistent with the claimed age and how the object would realistically have been used.
Check the materials themselves
Plastic is a surprisingly useful dating tool. Bakelite, the hard phenolic resin used widely from the 1920s to the 1950s, has a distinctive weight and a faint chemical smell when rubbed vigorously. It doesn't flex. Early Bakelite came in dark colours, browns, and blacks, while later versions appeared in reds and creams. Acrylic plastics replaced Bakelite through the 1950s and are lighter and slightly translucent. If someone is selling you a "1930s kitchen canister set" made from bright white plastic that flexes, the dates don't match.
Fabric composition matters too. Polyester didn't enter mass production until the 1950s and wasn't common in everyday clothing until the 1960s. A garment labelled as 1940s but made from a synthetic blend deserves a second look. Natural fibres, wool, cotton, silk, and linen, dominate genuinely pre-war pieces. The feel of a heavy wool gabardine or a tightly woven cotton poplin from that era is noticeably different from modern equivalents, which tend to be lighter and softer.
What price tells you (and what it doesn't)
High price doesn't confirm authenticity, and low price doesn't confirm a bargain. Op shop pricing is often intuitive rather than researched, which is how genuinely valuable pieces end up underpriced and how reproduction pieces end up on shelves with ambitious tags. An experienced eye matters more than the ticket.
That said, certain categories have attracted enough buyer interest that sellers have caught on. Sought-after vintage kitchenware like Pyrex mixing bowls, Fowlers Vacola jars, and mid-century enamelware now commands real money at markets and estate sales across Australia. If a price looks too good on a well-known collectible, look harder before you celebrate.
For furniture, learning to identify key periods pays off quickly. The ability to identify authentic mid century modern furniture separates a $40 chipboard sideboard in a walnut veneer from a genuine Danish piece worth ten times that. The techniques are learnable, and the difference becomes obvious once you've handled enough examples of both.
Ask questions without apologising for them
Good market sellers know their stock. A vendor who can tell you where a piece came from, approximate decade, and what they know about its history is usually selling something genuine. Vague answers like "it's very old" or "it came from a deceased estate" without any further detail are worth noting. Deceased estate means nothing about age on its own. People in recent decades also owned a lot of reproduction furniture.
Ask specifically: Does it have any markings on the base? Do you know what decade it's from? Has it been restored? These aren't aggressive questions, and a confident seller won't be put off by them. At a place like EcoSoul Collective in Belgrave, provenance and story matter, and that's the standard worth expecting elsewhere too.
Build your eye over time
No single article replaces handling things. Pick up every piece you can. Open drawers, feel seams, smell old timber, run your thumb across glaze on ceramics. Your sense of what's genuine develops through repetition, not reading. Visit dedicated vintage fairs as well as op shops, because fairs draw dealers who've already done the sorting work and their stock teaches you what the real thing looks like at scale.
The best Australian markets for vintage treasures concentrate quality in a way that casual op shopping doesn't. Spending a few hours at a dedicated fair watching what sells, what dealers pick up first, and what gets passed over is an education you can't replicate anywhere else. Take your time. The pieces worth finding usually reward patience.