NGC Authentication Techniques & Tools

Question 1

What is the main purpose of authentication in numismatics?

Accepted Answer

Verify legitimacy

Answer

Increase value

Answer

Confuse buyers

Answer

Ignore authenticity

Question 2

Which tool is commonly used to examine coin surface details?

Accepted Answer

Loupe

Answer

Scales

Answer

Ruler

Answer

Caliper

Question 3

How does XRF analysis help in authentication?

Accepted Answer

Measures weight

Answer

Cleans coins

Answer

Analyzes metal content

Answer

Polishes coins

Question 4

What role do certification labs play in authentication?

Accepted Answer

Certify authenticity

Answer

Mint coins

Answer

Value coins

Answer

Market coins

Question 5

Why is provenance important in authentication?

Accepted Answer

Tracks ownership history

Answer

Increases rarity

Answer

Decreases value

Answer

Is unnecessary

Question 6

How can ultraviolet light aid authentication?

Accepted Answer

Shows hidden details

Answer

Weights coins

Answer

Measures diameter

Answer

Cleans coins

Question 7

What is a counterfeit detection pen used for?

Accepted Answer

Test metal purity

Answer

Mark coins

Answer

Polish coins

Answer

Measure thickness

Question 8

Why is expert opinion valuable in authentication?

Accepted Answer

Provides accuracy

Answer

Unnecessary

Answer

Increases confusion

Answer

Reduces value

Question 9

How do digital databases support authentication?

Accepted Answer

Offer verified references

Answer

Create fakes

Answer

Sell coins

Answer

Hide counterfeits