Preserving Your 1972 Lincoln Cent: A Conservationist’s Guide

Historical Significance

As a conservationist, I’ve witnessed countless coins deteriorate due to improper handling and storage. The 1972 Lincoln Cent, particularly varieties like the FS-107, represents an important piece of American numismatic history that deserves proper preservation for future generations.

Identifying Key Markers

The 1972 Lincoln Cent is notable for its doubled die varieties, with the FS-107 being one of the more common varieties. Key identifying features include:

• Doubling in the motto “IN GOD WE TRUST”
• Distinctive markers on Lincoln’s profile
• Specific die characteristics that vary by variety

Understanding Toning and Oxidation

Natural toning on copper coins like the 1972 Lincoln Cent is a protective layer that develops over time. This toning, often referred to as a patina, actually helps preserve the coin’s surface. However, improper storage can lead to harmful oxidation:

• Green verdigris formation
• Black spots from environmental contaminants
• Reddish-brown corrosion in humid conditions

PVC Damage Prevention

Polyvinyl chloride (PVC) damage is one of the most common and destructive forms of coin deterioration. PVC can leach chemicals that create a greenish slime on coin surfaces. To prevent PVC damage:

• Avoid coin holders made with soft plastics
• Use archival-quality holders made from inert materials
• Store coins in a cool, dry environment

Proper Holders and Storage

Selecting the right holder is crucial for long-term preservation:

Recommended Storage Options

1. Archival-quality flips made from Mylar or polyethylene
2. Airtight holders for high-grade specimens
3. Temperature and humidity-controlled storage boxes
4. Acid-free paper envelopes for bulk storage

Environmental Considerations

Environmental factors play a significant role in coin preservation:

• Maintain relative humidity between 40-50%
• Store at consistent temperatures (ideally 65-70°F)
• Keep away from direct sunlight and UV exposure
• Avoid areas with fluctuating temperatures

To Clean or Not to Clean

This is perhaps the most critical question in coin conservation. As a general rule:

Never clean valuable coins unless you are a professional conservator. Improper cleaning can significantly reduce a coin’s value and cause irreversible damage.

Why Cleaning is Harmful

• Removes natural toning and patina
• Can scratch surfaces with abrasive materials
• May cause micro-abrasions that affect grading
• Alters the original surface characteristics

Safe Handling Practices

If you must handle your coins:

1. Always hold coins by the edges
2. Use clean, cotton gloves
3. Work on a soft, clean surface
4. Avoid breathing directly on the coin surface

Long-term Preservation Strategies

For collectors looking to preserve their 1972 Lincoln Cents for future generations:

Documentation

• Photograph coins in good lighting
• Maintain detailed records of variety and condition
• Document storage conditions and any conservation work

Regular Monitoring

• Periodically check for signs of deterioration
• Ensure holders remain intact and undamaged
• Verify storage environment remains stable

Conclusion

The 1972 Lincoln Cent, whether a common variety or a sought-after doubled die, represents a tangible piece of history. By following proper preservation techniques – using appropriate holders, maintaining stable environmental conditions, and avoiding harmful cleaning practices – you can ensure these coins remain in excellent condition for future collectors and historians.

Remember, the goal of conservation is not just to maintain a coin’s monetary value, but to preserve its historical integrity and physical characteristics for generations to come. With proper care and attention, your 1972 Lincoln Cent can remain a valuable piece of numismatic history well into the future.

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