sale 1: sold for 19 keys

https://backpack.tf/profiles/76561198823736236#!/compare/1554163200/1554422400

sale 2: 3 sales on marketplace from may 8, may 9, and may 16 (all for 2019)

https://marketplace.tf/items/30682;5;u102

26.71 USD / 1.8 = 14.8 rounding to 15

32.24 USD / 1.8 = 17.9 rounding to 18

28 USD / 1.82 = 15.3 rounding to 15

buyers at 15

https://gyazo.com/1cbd63bfecfbc4162c7f992cae5d0104

i have sales at 15, 15, 18, and 19. i have multiple buyers at 15, so 15 would be low. im going to use the remaining sales to make a range of 18 - 19 keys.