Klingon darseks
The darsek was the main unit of currency used in the Klingon Empire.
In 2153, the Tellarite bounty hunter Skalaar should have been paid 9,000 darseks for the delivery of the Human Jonathan Archer, but was later fleeced of 3,000 darseks. (ENT: "Bounty")
While on a covert mission to Qo'noS in 2257, the mirror universe Philippa Georgiou sold a pair of Nausicaan disruptor pistols to an Orion arms dealer for two thousand darseks. (DIS: "Will You Take My Hand?")
In 2370, on Maranga IV, Alexander Rozhenko asked his father Worf for 50 darseks to see the mummified head of Molor. (TNG: "Firstborn")
External link 
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- Darsek at Memory Beta, the wiki for licensed Star Trek works
