Hello and thanks for you contribution. We all have to start somewhere, so I personally recommend a thorough read-through of suggestion rules that is visible where you fill out the suggestion (and for this one specifically, the non-unusual suggestion rules).

Regarding this one you submitted (these can all be found in suggestion rules):

-Suggestions should be based on actual sales when available. Listings and buy orders alone are insufficient as proof.

-Mannco sales cannot be used as evidence.

-There are several methods of finding sales, Gladiator.tf item stats page being one of them. You can find how in the replies in the forum link above.

Gladiator.tf past 30 days https://gladiator.tf/sales?item=Mayflower%20Cosmetic%20Case%20%23102

https://imgur.com/WVW76b3

Sales:

12 @ 8.33 ref

1 @ 8.22 ref

30 @ 8.11 ref

28 @ 8 ref

7 @ 7.88 ref

45 @ 7.77 ref

1 @ 7.66 ref

9 @ 7.55 ref

40 @ 7.44 ref

3 @ 7.33 ref

72 @ 7.22 ref

63 @ 7.11 ref

177 @ 7 ref

33 @ 6.88 ref

4 @ 6.55 ref

4 @ 6.33 ref

75 @ 6 ref

49 @ 5.66 ref

16 @ 5.44 ref

15 @ 5.33 ref

Buys:

60 @ 8 ref

39 @ 7.88 ref

1 @ 7.77 ref

24 @ 7.66 ref

12 @ 7.55 ref

47 @ 7.44 ref

214 @ 7.33 ref

92 @ 7.22 ref

171 @ 7.11 ref

389 @ 7 ref

17 @ 6.88 ref

28 @ 6.77 ref

29 @ 6.66 ref

6 @ 6.55 ref

68 @ 6.44 ref

2 @ 6.33 ref

1 @ 6.11 ref

19 @ 6 ref

35 @ 5.88 ref

7 @ 5.77 ref

1 @ 5.66 ref

61 @ 5.55 ref

1 @ 5.44 ref

74 @ 5.33 ref

18 @ 5.22 ref

A full range of 5.22-8.33 ref should work