Sale 1: https://backpack.tf/profiles/76561198132072336#!/compare/1528502400/1528934400

https://backpack.tf/profiles/76561198002757046#!/compare/1528848000/1528934400 No clue

Sale 2: https://backpack.tf/profiles/76561198315588518#!/compare/1531872000/1531958400

https://backpack.tf/profiles/76561198378060309#!/compare/1531872000/1531958400 sold for 16 keys 10 ref

https://imgur.com/a/e9ar1Dh confirmed here

Sale 3: https://backpack.tf/profiles/76561198264117106#!/compare/1527638400/1527724800

https://backpack.tf/profiles/76561198074181346#!/compare/1527638400/1527724800 bulk

Sale 4: https://backpack.tf/profiles/76561198264117106#!/compare/1528156800/1528243200

https://backpack.tf/profiles/76561198346118738#!/compare/1528156800/1528243200 bulk

Sale 5: https://backpack.tf/profiles/76561198346118738#!/compare/1528502400/1528588800

https://backpack.tf/profiles/76561198349886701#!/compare/1528502400/1528588800 seems like 16 keys, sold to bot

Sale 6: https://backpack.tf/profiles/76561198349886701#!/compare/1529712000/1529798400

https://backpack.tf/profiles/76561198128297368#!/compare/1529625600/1529798400 seems to have sold for 17 keys from buyer of sale 5

Sale 7: https://backpack.tf/profiles/76561198128297368#!/compare/1529798400/1529884800

https://backpack.tf/profiles/76561198316961222#!/compare/1529452800/1529798400 seems to have sold for 16k 6 ref shown here

https://imgur.com/a/e9ar1Dh but cant 100% trace sale, supports range tho

Sale 8: https://backpack.tf/profiles/76561198053747026#!/compare/1531785600/1531872000

https://backpack.tf/profiles/76561198090561314#!/compare/1530921600/1531872000 sold for 15 keys and some ref totaling 16 keys

Sale 9: https://backpack.tf/profiles/76561198090561314#!/compare/1531872000/1531958400

https://backpack.tf/profiles/76561198375102774#!/compare/1531699200/1531958400 use on belgian

Sale 10: https://backpack.tf/profiles/76561198375102774#!/compare/1531699200/1531958400

https://backpack.tf/profiles/76561198259452676#!/compare/1531872000/1531958400 no clue/bulk

Sale 11: https://backpack.tf/profiles/76561198246867744#!/compare/1531872000/1531958400

https://backpack.tf/profiles/76561198259452676#!/compare/1531872000/1531958400 use there

Sales: 16, 16, 17, 16, 16

Taking 16-17

All feedback/criticism/insights appreciated!