[Proof below] Many sellers at 22 keys/1 bud.

Sellers

http://www.tf2outpost.com/trade/13044799 (22 keys)

http://www.tf2outpost.com/trade/12803170 (22 keys) <---has headshot

http://www.tf2outpost.com/trade/12774823 (22 keys)

http://www.tf2outpost.com/trade/13007526 (22 keys)

http://www.tf2outpost.com/trade/13013083 (22 keys)

http://www.tf2outpost.com/trade/13131500 (22 keys)

http://www.tf2outpost.com/trade/13161446 (22 keys)

http://www.tf2outpost.com/trade/13180956 (22 keys)

unsolds/sellers at 23 keys

http://www.tf2outpost.com/trade/13045996 (4 days)

http://www.tf2outpost.com/trade/13060580 (4 days)

http://www.tf2outpost.com/trade/13166595 (1 day)

http://www.tf2outpost.com/trade/13100949 (3 days)

http://www.tf2outpost.com/trade/12651732 (23.5 keys, 2 weeks) <-- has dom

Classifieds

http://backpack.tf/classifieds/search/664/11/0

- a few sellers at 22 keys

- many unsold at 23 keys (some with even doms/headshot parts)

Quite a few sellers around 23.5 but most have headshot/dom parts.

Think a bump down in price is in order.