After the price suggestion event so adding the ones that didn't get in

Item #1: https://backpack.tf/item/16123655628

Sale 1:

Seller: https://backpack.tf/profiles/76561199084784906#!/compare/1779494400/1779580800

Buyer: https://backpack.tf/profiles/76561199083412061#!/compare/1779580800/1779667200

Bought for 30 keys, see key grouping https://backpack.tf/item/13635016767

Item #2: https://backpack.tf/item/16843261759

Different tf2 marketplaces movement

Current Market Sellers and Buyers:

Buyers:

BP: 18 keys, 6.44 ref https://imgur.com/a/vgpl97i

STN: 22 keys, 14.33 ref https://imgur.com/a/lfFO8n9

Sellers:

BP: None (see marketplace) https://imgur.com/a/vgpl97i

Marketplace: 79.99/1.92= ~ 41.66 keys https://marketplace.tf/items/tf2/30567;5;u33 https://marketplace.tf/items/tf2/5021;6

SCM: None https://steamcommunity.com/market/listings/440/Unusual%20Crown%20of%20the%20Old%20Kingdom?appid=440&q=fire

STN: None https://imgur.com/a/lfFO8n9

Mannco: None https://imgur.com/a/GsF0VQG

Based on evidence, going with 30 keys.