What type of coins were used in the Crusader era?
Could you elaborate on the types of coins that were utilized during the Crusader era? Were they primarily minted from gold, silver, or another metal? Were there any distinguishing features that set them apart from other coins of the time? Did the different Crusader kingdoms have their own unique coinage, or did they share a common currency? Additionally, how did these coins contribute to the economic exchange and trade during the Crusades?