NGC NGC World Coins & Foreign Coinage 2

Question 1

In NGC's world coin grading system, what does 'UNC Details' on a label mean?

Accepted Answer

The coin appears uncirculated but has a problem such as cleaning, environmental damage, or alteration

Answer

NGC uses 'Details' designations when a coin has a problem that prevents it from receiving a straight numeric grade, even if it shows no circulation wear.

Question 2

Which of these is a key factor NGC considers when grading hammered coins from medieval Europe?

Accepted Answer

Centering, planchet quality, and sharpness of the design, since uniformity was not possible in hand production

Answer

For hammered coins, NGC focuses on centering, planchet quality, and design sharpness since hand-striking methods made exact uniformity impossible.

Question 3

What is a 'trade dollar' in the context of world coinage?

Accepted Answer

A coin specially designed and issued to facilitate commerce in foreign markets

Answer

Trade dollars were coins specifically designed by issuing nations for use in foreign trade, notably in Asia, where merchants valued them for their silver content.

Question 4

When evaluating a world coin for possible counterfeiting, NGC experts pay particular attention to:

Accepted Answer

Weight, diameter, edge characteristics, die details, and metal composition compared to genuine specimens

Answer

NGC's authentication process for world coins involves examining weight, dimensions, edge, die details, and metal composition and comparing them to known genuine specimens.

Question 5

What is the significance of a 'privy mark' on a world coin?

Accepted Answer

A small symbol added by the mint to indicate the die-cutter, mint official, or special edition

Answer

Privy marks are small symbols added by mints to identify the responsible die engraver, assayer, or to denote a special issue or limited edition.

(NGC) Numismatic Guaranty Corporation Certified Professional Practice Test

(NGC) Numismatic Guaranty Corporation Certified Professional Practice Test

NGC NGC World Coins & Foreign Coinage 2