Question: made for the prince elect, whose favourite motif was the serpent. (nos. 3658-3660).
Answer: --> Made for the Prince Elect, whose favourite motif was the serpent. (nos. 3658-3660).

Question: 3.) set winner: this bet refers to the winner of a specific set.
Answer: --> 3.) Set Winner: This bet refers to the winner of a specific set.

Question: yes - national volunteering schemes are not necessarily open to non-citizens.
Answer:
--> YES - national volunteering schemes are not necessarily open to non-citizens.