https://backpack.tf/classifieds?item=Scot%20Bonnet&quality=11&tradable=1&craftable=1&australium=-1&killstreak_tier=0

Buy Orders start at 1.26, ~1.25 keys.

Sell Orders start at 2 keys.

Bot.tf Sales:

https://ibb.co/fQyz5VH

https://ibb.co/BwL2hnJ

1 Sold for 1.12, ~1.1 keys.

1 Sold for 1.56, ~1.55 keys.

Marketplace.tf Sales:

https://ibb.co/NtJ1J5r

2 Sold for $2.66/ 1.87 = 1.42, ~1.4 keys.

1 Sold for $2.63/ 1.86 = 1.41, ~1.4 keys.

1 Sold for $2.97/ 1.82 = 1.63, ~1.65 keys.

1 Sold for $2.97/ 1.81 = 1.64, ~1.65 keys.

Excluding all other sales due to them being either too low for current buy orders (ignoring the buy order for 3 keys due to being an outlier order), or too high for current sell orders. Going with 1.4 - 1.65 keys.