The Hidden History Behind the PNNA’s Move to Portland
April 14, 2026Crafting with History: Can This 1893-S Morgan Dollar Become a Ring? A Crafter’s Guide
April 14, 2026
Historical Significance
Most people overlook the tiny details that can transform a common item into a rarity worth thousands. The Spring PNNA show, traditionally held in Seattle but recently relocated to Portland, Oregon, has become a treasure trove for error coin hunters. This move, prompted by Washington State’s implementation of sales tax on coins and bullion, has created a unique opportunity to examine coins that have traveled between mint facilities and through various hands over decades.
Identifying Key Markers
Die Cracks and Cuds
One of the most common yet valuable errors to look for at shows like PNNA are die cracks. These appear as raised lines on the coin’s surface, often radiating from the rim or through design elements. Pay special attention to the edges of coins, particularly on older pieces where die wear was more pronounced. A die crack that forms a complete break can create what’s known as a “die cud” – a raised blob of metal where the die has completely broken away.
Double Dies
Double die errors occur when a coin is struck more than once with slight misalignment between strikes. Look for doubling in the inscriptions, date, or major design elements. The most famous example is the 1955 Lincoln cent double die, but many other denominations and years can exhibit this error. Use a magnifying glass to examine the coin at different angles – doubling will appear as a shadow or duplicate image of the design.
Mint Mark Variations
Mint mark variations can significantly impact a coin’s value. At the PNNA show, examine coins from different mint facilities carefully. Look for repunched mint marks (RPMs), where the mint mark was stamped more than once in slightly different positions. Also watch for overmintmarks, where one mint mark was punched over another, creating a distinctive appearance.
Specific Errors to Look For
Beyond the common errors, keep an eye out for these specific varieties:
- Off-center strikes – where the coin blank wasn’t properly aligned during striking
- Broadstrikes – coins struck without the retaining collar, creating a larger than normal diameter
- Wrong planchet errors – coins struck on the wrong metal composition
- Clashed dies – where dies strike each other without a planchet, transferring design elements
Authentication Tips
When examining potential error coins at the PNNA show, consider these authentication tips:
- Always examine coins under proper lighting – natural light or a good quality lamp
- Use multiple magnification levels – start with the naked eye, then progress to 5x, 10x, and higher if needed
- Compare suspect coins to known genuine examples
- Be wary of altered coins passed off as errors – look for signs of tooling or post-mint damage
- Consult with experienced dealers and collectors at the show
Value Guide
The value of error coins can vary dramatically based on rarity, demand, and condition. Here’s a general guide for common error types:
| Error Type | Typical Value Range |
|---|---|
| Minor die cracks | $10-$50 |
| Obvious double die | $50-$500 |
| Off-center strike (10-25%) | $50-$200 |
| Major double die (like 1955 cent) | $1,000-$10,000+ |
| Rare wrong planchet error | $500-$5,000+ |
Conclusion
The Spring PNNA show offers a unique opportunity for error coin hunters to examine a wide variety of coins in one location. While the show’s relocation from Seattle to Portland may have inconvenienced some collectors, it has created a new hunting ground for those willing to make the trip. Remember that the most valuable finds often come from careful examination of common coins – that “frosty proof Franklin” mentioned by one attendee could be hiding in plain sight among circulated coins. Take your time, use proper tools, and don’t be afraid to ask questions. The next great error coin discovery could be waiting for you at the PNNA show.
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