Do you have vintage clothing?
'Vintage' is used as-is from English. Italians pronounce it 'VIN-tidge' — keeping the English stress pattern.
In second-hand shops, markets or boutiques that mix eras. Italy has a growing vintage scene, especially in Rome, Milan, Florence and Bologna.
'Abbigliamento' (clothing) is a general noun covering all garments. 'Abbigliamento vintage' works as a compound noun phrase. Also: 'vestiti usati' or 'vestiti di seconda mano' for second-hand.
Avete vestiti di seconda mano?
Do you have second-hand clothes?
More direct term, less fashionable connotation
Cercate pezzi vintage?
Do you look for vintage pieces?
If you want to sell items to the shop
Avete qualcosa anni '70?
Do you have anything from the '70s?
Asking for a specific era
Rome's Pigneto neighbourhood, Milan's Navigli area and Bologna's markets are known for vintage shops. The Porta Portese market in Rome (Sunday mornings) is one of Europe's largest flea markets with extensive vintage clothing.