Mallard... i like it.

Sale 1: https://backpack.tf/profiles/76561198154334102#!/compare/1486944000/1487030400

Sold with 1 key for a Clean Green Black Hole Familiar Fez (45 keys)

45 - 1 = 44

Sale 2: https://backpack.tf/profiles/76561198154334102#!/compare/1486252800/1486339200

Sold for a Clean Cloud 9 Honcho's Headgear (33 keys)

Mini for Honcho: https://backpack.tf/suggestion/58dae72d0e2cad0f16228b7f

Sale 3: https://backpack.tf/profiles/76561198330501102#!/compare/1485734400/1485820800

Sold with Strange Australium Blutsauger (7,5 keys) for a Clean Isotope Specialized Killstreak Blitzkrieg Medi Gun (Field-Tested) (67 keys)

67 - 7 = 60

Sales at 44, 33 and 60. Sale 3 should probably be used to update the Blitz. Either way going with a range of 33-44.