No 13.88ref sell orders currently exist, and the first ~15 (non-painted) buy orders are 14ref. It doesn't make sense to sell at 13.88ref right now, unless you're trying to quicksell one with a bad paint. The 13.88ref sales are likely on the older end of the last 7 days.
https://gladiator.tf/sales?item=Cute%20Suit&at=2021-12-28T06:06:43.482Z
Past 24hrs:
1 @ 14 ref
4 @ 14.11 ref
Past 7 days:
35 @ 13.88 ref
39 @ 14 ref
18 @ 14.11 ref
Classifieds (non-painted):
Sell orders agree at 14.11 ref
Buy orders agree at 14 ref
No 13.88ref sell orders currently exist, and the first ~15 (non-painted) buy orders are 14ref. It doesn't make sense to sell at 13.88ref right now, unless you're trying to quicksell one with a bad paint. The 13.88ref sales are likely on the older end of the last 7 days.