The correct answer to this open question is the following.
You forgot to include the options for this question. However, we can say the following.
The discovery of a coin mold at Dibba indicates that some coins were made there.
We are talking about an important region in the Arabian peninsula called Dibba. More specifically, Dibba is located in the eastern part of the peninsula, next to the Gulf of Oman. Since ancient times, its geographical location allowed Dibba to be a strategic place for trade. Many people came in to settle this place to become traders. Merchants from different regions came to Dibba to trade their goods. So the discovery of a coin mold at Dibba indicates that some coins were made there that were used for trading purposes.