As mentioned in the other comment, the sale was more than 60, the medi was ~62 at the time of the sale, putting the sale at 62 + 9 = ~70

https://gladiator.tf/listings/600ed0f51fbd03326b59c2f3

https://gladiator.tf/listings/600e1332dde882d6d8d5f2bd - capped by the b/o of 65

There are also more sales:

https://backpack.tf/item/9217920168

https://backpack.tf/item/9180467590

https://backpack.tf/item/9137412576

Mannco.store sales:

https://mannco.store/item/27118

$134.99 / $1.86 = 72.58 keys

$109.95 / $1.94 = 56.68 keys

https://backpack.tf/profiles/76561198065348930#!/compare/1607731200/1607904000

Sold to a buy order for 40 pure

https://backpack.tf/profiles/76561198002757046#!/compare/1609891200/1609977600

https://backpack.tf/profiles/76561199053651924#!/compare/1609977600/1610064000

48 pure

https://backpack.tf/profiles/76561198453530349#!/compare/1613520000/1613606400

58 pure

Bot that sold it likely bought for 49 keys https://gladiator.tf/listings/602e40c73707f9c251362ea0

https://backpack.tf/profiles/76561198271915998#!/compare/1610582400/1610668800

Better used on the Steaming Le Party Phantom, although seller paid 73 to add 8 to a 55 key hat https://gladiator.tf/listings/6002d66a959114ac883f415e

Sales at:

40

48

49 (probably)

57

65

73

40 is under buyers and 73 sold for much less so I would go 48 - 65 here. You will need to close this and re-suggest at 48 - 65 with the new proof included.