Duped Vintage Earbuds

Sale 1:
https://backpack.tf/profiles/76561198064982470#!/compare/1552089600/1552176000
Sold for 200 keys

Sale 2:
https://backpack.tf/profiles/76561198093518222#!/compare/1551916800/1552003200
https://backpack.tf/profiles/76561198064982470#!/compare/1551916800/1552003200
Sold with Amaranthine Complex + 37 keys for Doorway Shellmet
https://bot.tf/stats/listings/42GZ6NQ4
B/O of 400 keys

Sale 3:
https://backpack.tf/profiles/76561198170190173#!/compare/1550534400/1550620800
https://backpack.tf/profiles/76561198093518222#!/compare/1550534400/1550620800
Something

Sale 4:
https://backpack.tf/profiles/76561198001602062#!/compare/1549584000/1551052800
https://backpack.tf/profiles/76561197961309499#!/compare/1550966400/1551052800
Sold for 140 keys (103 moved to alt?)

Sale 5:
https://backpack.tf/profiles/76561197961309499#!/compare/1549670400/1549756800
https://backpack.tf/profiles/76561198025030539#!/compare/1548720000/1549756800
Keys here

Sale 6:
https://backpack.tf/profiles/76561198200475465#!/compare/1549756800/1550188800
https://backpack.tf/profiles/76561198148511293#!/compare/1550102400/1550188800
Sold for CPS BoA(114) + keys
Can't tell how many keys

Sale 7:
https://backpack.tf/profiles/76561198823826881#!/compare/1550880000/1550966400
https://backpack.tf/profiles/76561197963292494#!/compare/1550880000/1550966400
Sold for Burning Exec(285)
https://bot.tf/stats/listings/4Z1P5R1Y
B/O of 350 keys

Sale 8:
https://backpack.tf/profiles/76561198007953976#!/compare/1550793600/1550880000
https://backpack.tf/profiles/76561198407541175#!/compare/1550707200/1550880000
Sold with How Brain Candy MW RL for 13th Noble

Sale 9:
https://marketplace.tf/items/143;3
$400.00 / $1.79 = 223.46 keys

Total sales @:
140, 200, 223.46, 285 keys