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

Buy orders start at 36.77 ref.

Sell orders start at 1.05 keys.

No viable bot.tf sales in 30 days.

No viable Marketplace.tf sales in 30 days.

SCM Sales:

https://steamcommunity.com/market/listings/440/Strange%20Elizabeth%20the%20Third

1 Sold for $1.70/ 2.35 = 0.74, ~34.55 ref.

1 Sold for $2.35/ 2.36 = 0.99, ~46.22 ref.

1 Sold for $2.18/ 2.34 = 0.93, ~43.44 ref.

1 Sold for $1.93/ 2.37 = 0.81, ~37.77 ref.

1 Sold for $1.86/ 2.33 = 0.79, ~36.88 ref.

1 Sold for $2.30/ 2.34 = 0.98, ~45.77 ref.

3 Sold for $2.60/ 2.35 = 1.1 keys.

1 Sold for $2.50/ 2.36 = 1.05 keys.

Excluding all other sales due to them being either too low for current buy orders or too high for current sell orders. Going with 36.88 - 49 ref.