Considering there are no in-date gladiator sales for this, lets look at steam market

Only 1 buyer at 3 keys.

https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Neck%20Snap%20Unusualifier

PRICES ARE IN AUD

Past 30 days

Date Price ($) Quantity Sold Price in Keys

15/01/2025, 07:00:00 13.90 1 3.98

16/01/2025, 12:00:00 16.66 1 4.77

16/01/2025, 18:00:00 16.71 1 4.79

17/01/2025, 04:00:00 13.53 1 3.88

19/01/2025, 15:00:00 14.89 1 4.27

24/01/2025, 01:00:00 14.81 1 4.24

24/01/2025, 04:00:00 13.72 1 3.93

26/01/2025, 15:00:00 14.38 1 4.12

26/01/2025, 22:00:00 17.31 1 4.96

27/01/2025, 03:00:00 14.61 1 4.19

27/01/2025, 18:00:00 14.97 1 4.29

31/01/2025, 20:00:00 14.97 1 4.29

02/02/2025, 03:00:00 17.52 1 5.02

06/02/2025, 06:00:00 17.21 1 4.93

08/02/2025, 04:00:00 14.97 1 4.29

08/02/2025, 14:00:00 18.04 1 5.17

Median Price: $14.97

Lowest Price: $13.53

Highest Price: $18.04