Sale 1:

https://backpack.tf/profiles/76561198231082180#!/compare/1550880000/1550966400

https://backpack.tf/profiles/76561197962449627#!/compare/1550880000/1550966400

Sold for:

Scorching Flames Brigade Helm, Cloud 9 Slo-Poke, Fountain of Delight Mannrobics, Fountain of Delight Flippin' Awesome, Hundkopf, ~3 keys in sweets

Scorching Flames Brigade Helm is in-date at ~110 keys.

https://backpack.tf/suggestion/5c8d265cd381720ca81d928d

Cloud 9 Slo-Poke is in-date at 32 keys.

https://backpack.tf/suggestion/5c8d270fd381720e4c5bc35e

Fountain Mannrobics

https://marketplace.tf/items/1162;5;u3005

Most two recent sales:

March 22, 2019 sold for $35.00 / 1.80 = 19 keys

March 29, 2019 sold for $44.00 / 1.79 = 25

Current sellers at 20 keys on classifieds, going with 19 keys for this mini.

https://gyazo.com/8b8f80e4fd200807ccb2fdc5694f002a

Fountain Flippin'

https://marketplace.tf/items/1107;5;u3005

March 2, 2019 sold for $19.99 / 1.79 = 11 keys

4 sellers in classifieds for ~10.6 keys. Safe to say this mini is still usable.

https://gyazo.com/95352a8fc6b5b2ba7ba5752a64a56d47

Hundkopf is still 9 keys.

3 keys in sweets is still 3 keys.

110 + 32 + 19 + 11 + 9 + 3 = 184 keys

Sale 2:

https://backpack.tf/profiles/76561198231082180#!/compare/1550620800/1550707200

Sold for Green Energy Hat of Cards + 22 keys

Green Energy Hat of Cards is being priced at ~70 keys.

This sale is a low outlier, as there are quickbuyers for around this price.

https://gyazo.com/962d6391454a6380660c8d00119b4e52

Sale 3:

https://backpack.tf/profiles/76561198026191038#!/compare/1551916800/1552176000

https://backpack.tf/profiles/76561198309178418#!/compare/1551830400/1552089600

Untraceable/Bulk sale

Sale 4:

https://backpack.tf/profiles/76561198169109536#!/compare/1554940800/1555027200

https://backpack.tf/profiles/76561198073715461#!/compare/1554940800/1555027200

Sold for Strange Pro KS Festive Medi Gun, Strange Pro KS Aus. Blutsauger, Strange Invis Watch, Midnight Whirldwind Skullcracker, Burly Beast, Giger Counter, 100 keys

SF Pro Medi Gun:

https://marketplace.tf/items/663;11;kt-3

Recent sales for ~30 keys

https://gyazo.com/25ea3b406f784e27ee69c43650f37705

One user involved in the trade put it back up for 26 keys. Using 26 keys.

S. Pro Aus Blutsauger:

https://gyazo.com/83aa0ef904a3252c76c255aeaa6b7b3d

7 keys gucci gang

Midnight Skullcracker

https://gyazo.com/0bc9088ad41686ed8cc8dbdf3718b65f

5 keys gucci gang

Strange Invis Watch is 5 keys.

Giger Counter is 2 keys.

Burly Beast is 7 keys.

100 keys is 100 keys.

This makes Sale 4 152 keys.

//

Based off sale 1 and 4, I am going with a price of 150-185 keys.

Thank you RodneyCopperBottom for providing another sale in the previous suggestion's comments.

https://backpack.tf/suggestion/5c8d26b9678072154d3c3e18