It's okay if you don't know
Example: Transposing from a C instrument to a B-flat instrument.
Move the key up one whole step (or whole tone).
Our key of C Major transposes to a key of D Major. Likewise, G Major would transpose to A Major, B-flat Major to C Major, and so on.
Sory
I think the answer might be D
Answer: This earring most defintly looks its and old type of design but i don't know the exact name I'm sorry I wish I could help more
Explanation: