There are two versions of the Captain's Cutlass in the Journey, 615 and 8553. 615 appears to be a previous version that was replaced with 8553 before 1.12.

https://classic.wowhead.com/quest=615/the-captains-cutlass
https://classic.wowhead.com/quest=8553/the-captains-cutlass

Version 6.0.2