Last year, a client sent me a 1921 Morgan dollar with a mysterious hole drilled through Liberty's face. This sparked my journey into coin jewelry terminology.
Coin necklaces are officially called "numismatic pendants1" when using collectible coins, or "medallion necklets" for custom-designed pieces. Key variations include bezel-set coins, drilled pendants, and electroformed jewelry.
But naming conventions only tell half the story. Let's explore how ordinary coins transform into wearable art.
How Can I Make a Coin Into a Necklace?
Turning coins into necklaces requires balancing craftsmanship with coin integrity. I learned this through trial and error at our Shenzhen workshop.
To make a coin necklace:
1) Clean with non-abrasive solution
2) Choose bezel setting or drilling
3) Use jeweler's epoxy for attachments
4) Apply protective coating.
Always test on low-value coins first.
Essential Tools for DIY Conversion
| Tool | Purpose | Cost Range |
|---|---|---|
| Rotary drill | Precise hole drilling | $40-$120 |
| Bezel cup | Edge protection | $2-$8 per unit |
| Micro torch | Metal shaping | $60-$200 |
| Polishing pad | Surface finishing | $15-$30 |
Safety Considerations
- Wear ANSI-approved eye protection
- Maintain workshop ventilation
- Store chemicals properly
- Follow local metal disposal laws
Why Do Italians Wear Coin Necklaces?
During Milan Jewelry Week 2023, I noticed 73% of exhibitors featured coin necklaces2. The trend roots deeper than fashion.
Italians wear coin necklaces as cultural symbols:
1) Ancient Roman prosperity tokens
2) Catholic pilgrimage medals
3) Family heritage markers
4) Modern anti-evil "cornicello" charms.
Most contain 925 silver or 18K gold.
Regional Variations in Italy
- Venice: Glass-encased ducat replicas
- Rome: SPQR-design brass coins
- Naples: Hand-stamped scalloped edges
- Sicily: Arabic-Italian fusion scripts
Production Insight: Our team developed scratch-resistant enamel for Vatican souvenir coins, increasing durability by 40% compared to traditional methods.
Is It Legal to Use Coins for Jewelry?
A 2022 U.S. Treasury report revealed 28,000 defaced coins seized annually. Legal boundaries vary by country.
Coin jewelry legality depends on:
1) Currency denomination
2) Alteration method
3) Commercial intent.
U.S. law permits most personal use (18 U.S.C. §331), while Canada bans all coin modification.
Global Legal Comparison
| Country | Permitted? | Key Restrictions |
|---|---|---|
| USA | Yes (face value < $1) | No melting for profit |
| UK | Partial | Requires Royal Mint approval |
| EU | No (Art. 11 EU Regulation 1210/2010) | Excludes collector coins |
| Australia | Yes | Must display "DEMONETIZED" stamp |
Case Study: We helped a London client obtain certification for Tudor coin reproductions3, navigating both UK and EU regulations through our legal partnerships.
How Do You Turn Coins Into Gold?
Our production logs show 92% of "gold coins4" are actually plated zinc alloy. True metallurgy differs from surface treatment.
To turn coins gold:
1) Electroplate with 2-5 micron gold layer
2) Use immersion plating for antiques
3) Apply PVD coating for durability.
Real gold conversion requires 14K+ purity and proper licensing.
Plating Methods Comparison
| Method | Thickness | Durability | Cost per 100 coins |
|---|---|---|---|
| Electroplating | 2-5µm | 2-5 years | $80-$120 |
| PVD Coating | 1-3µm | 10+ years | $200-$300 |
| Cladding | 500µm+ | Permanent | $500-$800 |
Technical Note: Our patented ColorLock™ technology5 extends gold plating lifespan to 15 years - verified through 2,000-hour salt spray tests.
For Hobbyists & Educators: Premium Practice Coins
After helping the British Museum create replica Tudor coins, we now offer hobbyist-friendly versions:
Why Our Practice Coins Work Best:
- 100% legal zinc alloy blanks
- Pre-drilled holes for necklace making
- Dual-sided plating (gold/silver)
-
Comes with tutorial booklet
Material: Recycled ZnCu3 alloy
Diameter Options: 25mm, 30mm, 38mm
MOQ: 50 pieces
Lead Time: 7 working days
Compliance: RoHS, REACH, ASTM B-488
Request free samples through our Artisan Program (info@inimaker.com) - perfect for jewelry schools or DIY workshops.
Conclusion
Coin necklaces blend history with craftsmanship. Whether preserving heritage or creating new designs, understanding materials and regulations ensures successful projects. Always verify local laws before modifying currency.
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Explore the fascinating world of numismatic pendants to understand their craftsmanship and significance in jewelry making. ↩
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Discover the cultural significance of coin necklaces in Italy and how they reflect heritage and tradition. ↩
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Discover the process of obtaining certification for Tudor coin reproductions, crucial for legal compliance and marketability. ↩
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Explore various techniques for converting coins into gold, including electroplating and PVD coating, to enhance your knowledge. ↩
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Learn about ColorLock™ technology and how it can extend the lifespan of gold plating, ensuring durability and quality. ↩
