Snow Russian

https://backpack.tf/item/4135857781

Sale 1) Sold for a Tesla Coil Herald's Helm (22.5 Keys)

https://backpack.tf/profiles/76561198165802400#!/compare/1509062400/1509148800

Rounds to 23 Keys

Herald’s Mini

https://backpack.tf/suggestion/5a53b48e44325a4642337f06 - 22.5 Keys

https://backpack.tf/item/4153484404

Sale 2) Bulk sale for a Silver Cyclone Victory Lap

https://backpack.tf/profiles/76561198058653837#!/compare/1509667200/1509753600

Sale 3) Bulk sale for a Green Energy Dayjogger

https://backpack.tf/profiles/76561198339104273#!/compare/1512432000/1512518400 - Seller's Backpack

https://backpack.tf/profiles/76561198139732126#!/compare/1512432000/1512518400 - Buyer's Backpack

https://backpack.tf/item/4866779629

Sale 4) Sold + Bubbling Reggaelator + Strange PDA for a Starstorm Insomnia Winter Woodsman

https://backpack.tf/profiles/76561198059094919#!/compare/1508803200/1508889600

Bulk sale.

Sale 5) Quicksold for 17 Keys

https://backpack.tf/profiles/76561198337734785#!/compare/1509926400/1510012800

Sale 6) Sold for 22 Keys

https://backpack.tf/profiles/76561198117379982#!/compare/1511481600/1511568000 - Buyer’s Backpack

The Keys were sold for a Kill-a-Watt Salty Dog, and 16 of those Keys sold for an Aussie Minigun as seen here:

https://backpack.tf/profiles/76561198179823805#!/compare/1511481600/1511568000

https://backpack.tf/profiles/76561198044515552#!/compare/1511481600/1511568000 - Minigun Seller’s Backpack

https://backpack.tf/item/4163522038

Sale 7) Sold for a ‘72 High Five

https://backpack.tf/profiles/76561198156255538#!/compare/1514160000/1514246400

This would be better for the High Five.

https://marketplace.tf/items/30644;5;u30 - Sale at $49.99 when Keys were ~$1.95 each.

49.99 / 1.95 = 25.63, which rounds to 26 Keys