2 sales

1) 106 keys + 2 keys in items

https://backpack.tf/profiles/76561198127430999#!/compare/1572220800/1572307200

https://backpack.tf/profiles/76561198410407173#!/compare/1572220800/1572307200

106 + 2 = 108

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2) ?

https://backpack.tf/profiles/76561198127430999#!/compare/1568419200/1568505600

https://backpack.tf/profiles/76561198090987667#!/compare/1568160000/1568592000

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No marketplace sales.

https://marketplace.tf/items/tf2/147;5;u80

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Total: 108. Rounding to 110.