Resuggesting...

Sold for vivid plasma Dr's Dapper Topper in date at 45 keys + prof.collector's direct hit outdated at 13 keys (credits to King for direct hit info)

https://backpack.tf/profiles/76561198054758757#!/compare/1533686400/1533772800

https://backpack.tf/profiles/76561198049645901#!/compare/1533168000/1538179200

https://backpack.tf/item/5669622873

Dr's dapper history (Sexysparta's bp doesnt show the hat)

https://backpack.tf/item/260154681

Professional collector's direct hit recent sales:

https://marketplace.tf/items/127;14;kt-3

38 usd/1.84 september 25th = 21 keys

38 usd/1.81 october 6th = 21 keys

45 + 21 = 66

New price: 66 keys