Past offer of ~180 mixed.

Offer was Burning Flames Field Practice (~65 keys) + a 1 of 2 Strange Neutron Star Boxcar Bomber (~50 keys) + 50 pure + a Gangreen Footprints Strange Summer Shades (~ 16 keys)
65 + 50 + 50 + 16 = ~181

Chat logs of the offer in discussion: https://imgur.com/a/Ju7jPqQ - if you wanna skip the chit-chat, you can see the final offer from him on the final screenshot.

Since it is never said in the chat logs what effect's any of the unusuals had/what items were, here's a screenshot of the offer he made on bazaar: https://i.imgur.com/BF18IU8.png
Here's the bazaar trade: https://bazaar.tf/trade/1628733 - since i hide comments for space, you can follow the comment # from the screenshot if you want the validity of the bazaar comment.

Here's his backpack in between the dates when we discussed the trade to see what Summer Shades were spoken of: https://backpack.tf/profiles/76561198084416692?time=1600214400