Final answer:
A numismatist collects coins, which involves the study and collection of currency. The correct answer to the question is option (d) Coins.
Step-by-step explanation:
A numismatist is someone who collects or studies currency, which includes coins, paper money, tokens, and related objects. To answer the question directly, among the options provided:
- Dead animals
- Hair
- Stamps
- Coins
The correct answer is (d) Coins. Numismatists usually have a passion for understanding the historical, cultural, and artistic significance of the money they collect, which is quite different from collecting animals or other objects. For instance, in the reference provided, the accurate depiction of a US nickel, among figures (a), (b), (c), or (d), is figure (c). This type of knowledge about coins and their details is part of what a numismatist would be familiar with.