https://backpack.tf/item/16003346559

https://backpack.tf/profiles/76561198849566581#!/compare/1769472000/1769558400 - bought for 75 keys

https://backpack.tf/profiles/76561198061110181#!/compare/1773360000/1773792000 - bought for 85 keys + B.M.O.C = 98 keys

https://backpack.tf/profiles/76561198849566581#!/compare/1771200000/1771286400 – from eku to bob as collateral for borrowing keys

https://backpack.tf/profiles/76561198151811573#!/compare/1771372800/1771804800 – trade back from bob to eku

https://backpack.tf/vote?quality=5&item=Checkered+Past&priceindex=374&tradable=1&craftable=1&state=0%2C1%2C2&unvotable=1&australium=-1&killstreak_tier=0&elevated=-1&sort=popular - old suggestion

BMOC Prices -

https://gladiator.tf/sales?item=B.M.O.C.&at=2026-03-13T12:11:46.867Z

Past 30 days at the time

Sales:

1 @ 13 keys 42 ref

2 @ 13 keys 36.55 ref

1 @ 13 keys 27.11 ref

1 @ 13 keys 26.33 ref

1 @ 13 keys 24.11 ref

1 @ 13 keys 17.88 ref

2 @ 13 keys 6.11 ref

1 @ 13 keys 5.33 ref

1 @ 13 keys 5 ref

1 @ 12 keys 50.88 ref

1 @ 12 keys 50.22 ref

Buys:

4 @ 13 keys 49.88 ref <- 13.92 keys

4 @ 13 keys 49.22 ref

4 @ 13 keys 46.77 ref

4 @ 13 keys 38.11 ref

8 @ 13 keys 24.33 ref

2 @ 13 keys 6 ref

4 @ 13 keys 5.77 ref

2 @ 12 keys 38.11 ref

4 @ 12 keys 37.77 ref

4 @ 12 keys 37.66 ref

4 @ 12 keys 35.44 ref

4 @ 12 keys 30.33 ref

2 @ 12 keys 18 ref

2 @ 11 keys 38.88 ref <- 11.72 keys

That gives an average value of (11.72+13.92)/2=12,82 keys

85+12.82=97.82 ~98 keys