Transparency about where our data comes from and how we process it
We aggregate data from verified auction houses and licensed brokers to provide comprehensive market coverage.
Auction House
Premier Australian automotive auction house. Primary source for high-value heritage plate sales.
Auction House
Specialist heritage number plate auctioneer with regular dedicated plate auctions.
Online Marketplace
Online marketplace for heritage number plates with verified listing and sale data.
Specialist Marketplace
Heritage number plate specialist marketplace with detailed sale records.
Online Auction
Global online auction platform for collector vehicles and memorabilia including heritage plates.
Specialist Platform
Dedicated heritage number plate auction and sales platform.
Every piece of data goes through our rigorous 4-stage processing pipeline.
We monitor public auction results and receive verified reports from licensed brokers. All data is timestamped at ingestion.
Each sale record is cross-referenced against known plate formats. Anomalous prices are flagged for manual review.
Prices are adjusted to include buyer's premium where applicable. All figures are converted to AUD.
Pattern detection, rarity scoring, and trend calculations are run nightly. Confidence levels are assigned based on data quality.
Every valuation includes a confidence indicator so you know how to interpret the data.
Criteria: 20+ verified sales, 80%+ from auction sources
Strong statistical basis. Valuations are reliable for decision-making.
Criteria: 10-19 sales, or 50-79% from auction sources
Reasonable confidence. Use as a guide but verify with recent comparables.
Criteria: Fewer than 10 sales, or limited auction verification
Indicative only. Treat as a rough estimate and seek additional sources.
We believe in transparency about what our data can and cannot tell you.
We welcome inquiries about our methodology and are happy to discuss data quality with serious collectors and researchers.