Category Trends
About Coins and Currency
Not enough trend data yet. We need more appraisals in this category to calculate reliable trends.
This category includes items such as coins and currency collectibles, antiques, and related pieces. Prices typically depend on factors like age, condition, provenance, maker/brand, and current collector demand.
What to look for: Maker's marks, original documentation, condition issues, and comparable sold items help establish value.
Price Trends
Based on InstAppraisal archive valuations
Top Brands
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| Brand | Avg Value | Trend % | Score | Demand | Volatility | Items |
|---|---|---|---|---|---|---|
| PCGS No data | — | — | — | — | — | — |
| Saint-Gaudens Luxury No data | — | — | — | — | — | — |
| Walking Liberty Premium No data | — | — | — | — | — | — |
| Buffalo Nickel No data | — | — | — | — | — | — |
| Indian Head Cent No data | — | — | — | — | — | — |
| Morgan Dollar Premium No data | — | — | — | — | — | — |
| NGC No data | — | — | — | — | — | — |
| Peace Dollar Premium No data | — | — | — | — | — | — |
| Mercury Dime No data | — | — | — | — | — | — |
| Barber Coins Premium No data | — | — | — | — | — | — |
How We Calculate These Numbers
📊 Trend Calculation
We compare average values from the last 12 months to the previous 12 months in our archive. Categories need at least 3 appraisals in each period for trend calculation.
💰 Average vs Median
Average includes all values and can be affected by outliers. Median shows the middle value, which is often more representative for categories with wide price ranges.
📈 Inflation Adjustment
Inflation-adjusted values use CPI (Consumer Price Index) data from the Bureau of Labor Statistics to show prices in today's dollars, allowing fair comparison across time periods.
🎯 Outlier Handling
We use IQR (Interquartile Range) method to identify and filter extreme values that could skew averages. Values beyond 2.5× IQR from quartiles are excluded.
🏷️ Brand Scoring
Brand trend scores combine: 40% price trend, 30% demand index (appraisal frequency), and 30% price stability (inverse of volatility).
📁 Data Sources
Archive data comes from: AI-assisted valuations, legacy appraisal prices, and verified comment values from trusted appraisers (Lovejoy, etc.).
Have a Coins and Currency Item to Appraise?
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Data Sources & Disclaimer
About This Data
These figures reflect InstAppraisal's archive dataset — historical appraisals and derived valuations submitted by our community. Where external sold-market data is available, it's shown separately as "Market." AI-generated text provides interpretation and context only.
Data Sources
- Archive: Historical appraisals from InstAppraisal users, including AI-assisted valuations and expert comments from trusted appraisers.
- External Market: When available, sold prices from auction houses and secondary markets. Not yet connected for most categories.
- AI Overview: Generated commentary that interprets archive data — not a source of pricing data itself.
Important Limitations
- Trends are based on available data and may not represent the broader market.
- Categories with fewer than 10 items have limited statistical reliability.
- Individual item values vary significantly based on condition, provenance, and market timing.
- Historical trends do not predict future values.
This information is for educational purposes only. InstAppraisal is not responsible for buying, selling, or investment decisions made using this data.
For high-value items, consult a certified appraiser, professional auction house, or industry expert.