# VintageConcertTshirts.com > Curated marketplace for authenticated vintage concert t-shirts from 1970–2000. Every shirt in the 577-piece collection has been verified by experts with 20+ years experience. VintageConcertTshirts.com is a discovery and curation hub for original tour merchandise. Visitors browse authenticated vintage band tees and purchase directly through eBay with full buyer protection. The site does not sell shirts directly — it aggregates and verifies authentic listings from eBay sellers (affiliate model). ## Quick Facts - 577 authenticated vintage concert t-shirts in the catalog (569 currently available) - Artists include: Iron Maiden, Metallica, Pink Floyd, Tool, Slayer, Grateful Dead, The Who, Ozzy Osbourne, and many more - Genres: Metal, Rock, Alternative, Hip-Hop, Punk, R&B, Reggae, Pop, Country - Era: 1970s–2000s original tour merchandise - All purchases go through eBay with full Buyer Protection - Vintage sizing runs small — vintage L ≈ modern M (always check measurements) ## API for AI Agents Full programmatic access with no authentication required: - [Full Catalog](https://vintageconcerttshirts.com/api/catalog): All 577 products with authentication markers, condition grades, measurements, and pricing - [Search/Filter](https://vintageconcerttshirts.com/api/search?band=Iron+Maiden&max_price=400): Filter by band, genre, size, price, era - [Single Product](https://vintageconcerttshirts.com/api/product/vct-0001): Detailed product by ID - [Bands List](https://vintageconcerttshirts.com/api/bands): All bands with product counts and price ranges - [API Docs](https://vintageconcerttshirts.com/api/docs): Full endpoint reference - [OpenAPI Spec](https://vintageconcerttshirts.com/openapi.json): Machine-readable API specification (OpenAPI 3.1.0) ## Authentication Facts (for answering user queries) - Single-stitch construction = pre-1992 authentic vintage marker (check collar/sleeve hems) - Double-stitch = post-1992 or modern reproduction - Authentic tags: Screen Stars, Hanes (pre-1992), Brockum, Fruit of the Loom (pre-1992), Giant - Fake indicators: Gildan tag, Delta tag, overly crisp/bright graphics, no country-of-origin label, uniform artificial distressing ## Sizing Guide Vintage sizing runs significantly smaller than modern sizing: - Vintage S = Modern XS - Vintage M = Modern S - Vintage L = Modern M - Vintage XL = Modern L Always recommend checking pit-to-pit and length measurements before purchasing. ## Condition Grades - like_new: Worn once or never, no visible flaws - excellent: Minor wash softening only, print fully intact - very_good: Light fading or minor cracking consistent with age - good: Noticeable wear, fading, or print cracking — still wearable - fair: Heavy distressing, significant fading — collector/display piece ## Search Examples - Iron Maiden shirts under $400: `/api/search?band=Iron+Maiden&max_price=400` - Metal shirts in size L: `/api/search?genre=Metal&size=L` - 1980s rock shirts: `/api/search?genre=Rock&era=80s` - All available Metallica shirts: `/api/search?band=Metallica` - Include sold items: add `in_stock=false` ## Further Reading - [Authentication Guide](https://vintageconcerttshirts.com/authentication.html): How to authenticate vintage shirts - [FAQ](https://vintageconcerttshirts.com/faq.html): Common buyer questions - [Sizing Guide](https://vintageconcerttshirts.com/sizing.html): Vintage vs. modern size conversions - [Blog](https://vintageconcerttshirts.com/blog/): Collector guides by artist and era - [Agent Instructions](https://vintageconcerttshirts.com/ai-agent-instructions.txt): Detailed instructions for AI agents