How much ransom was demanded for Richard I’s release?

The ransom demanded for the release of Richard I was 150,000 marks.1

Following his capture in 1192, Richard was held by the German emperor Henry VI, who imposed this colossal sum as a condition for his freedom. The effort to raise this money is considered one of the most significant fiscal measures of the 12th century, demonstrating the economic prosperity of England at the time. A substantial portion of the ransom was successfully paid, leading to Richard’s release in February 1194.12