This is a smooth glaesine jar with a polished bronze lid containing 3 leeches. You can pull 1 per day and stick it on people. Item came from Ebon Gate 2019 Bloodlet It Go shop.
https://gswiki.play.net/Bloodletting_leech_jar
Leech types:
1. a squat moss green leech with prominent veining
2. a lissome indigo leech with an anguillid appearance (Current)
3. a skinny bright pink leech with a flowery rosette pattern
MB: 400k.