Classifieds as of the post of this suggestion:

x2 at 1.25 Keys. ( http://i.imgur.com/TSJCf4G.png )

x10 at 1.35 Keys. ( http://i.imgur.com/VgOPzIh.png )

x1 at 12 Refined. ( http://i.imgur.com/YNFKYSO.png )

x1 at 12.27 Refined. ( http://i.imgur.com/BWRKEKK.png )

x2 at 1.4 Keys. ( http://i.imgur.com/wHyv68k.png )

x13 at 1.5 Keys. ( http://i.imgur.com/3ojKuom.png - http://i.imgur.com/o8BvaPJ.png )

Keys= 8.33

1 Key+ 2 Refined= 1.24 Keys - rounds to 1.25.

1 Key+ 3 Refined= 1.36 Keys - rounds to 1.35.

1 Key+ 3.33 Refined= 1.4 Keys.

1 Key+ 4 Refined= 1.5 Keys.

1 Key+ 5 Refined= 1.6 Keys.

Sellers under 1.6 Keys:

http://www.tf2outpost.com/trade/20130519 - 1 Key.

http://www.tf2outpost.com/trade/20139346 - 1.1 Keys(?).

http://www.tf2outpost.com/trade/20115638 - 1.25 Keys.

http://www.tf2outpost.com/trade/20106600 - 1.25 Keys - Mass seller.

http://www.tf2outpost.com/trade/20066728 - 1.25 Keys.

http://www.tf2outpost.com/trade/20144617 - 1.25 Keys.

http://www.tf2outpost.com/trade/20140727 - 1.25 Keys.

http://www.tf2outpost.com/trade/20111356 - 1.25 Keys.

http://www.tf2outpost.com/trade/20088890 - 1.3 Keys.

http://www.tf2outpost.com/trade/20134926 - 1.3 Keys.

http://www.tf2outpost.com/trade/20113515 - 1.35 Keys.

http://www.tf2outpost.com/trade/20045953 - 1.35 Keys.

http://www.tf2outpost.com/trade/20137641 - 1.35 Keys.

http://www.tf2outpost.com/trade/20132912 - 1.35 Keys.

http://www.tf2outpost.com/trade/20006928 - 1.35 Keys.

http://www.tf2outpost.com/trade/20103675 - 1.35 Keys.

http://www.tf2outpost.com/trade/20071711 - 1.35 Keys.

http://www.tf2outpost.com/trade/20122418 - 1.35 Keys.

http://www.tf2outpost.com/trade/20119129 - 1.35 Keys.

http://www.tf2outpost.com/trade/20022928 - 1.35 Keys.

http://www.tf2outpost.com/trade/20092464 - 1.35 Keys.

http://www.tf2outpost.com/trade/20105907 - 1.35 Keys.

http://www.tf2outpost.com/trade/20108165 - 1.35 Keys.

http://www.tf2outpost.com/trade/20128201 - 1.35 Keys.

http://www.tf2outpost.com/trade/20105712 - 1.4 Keys/1 Key+3 ref(1.35).

http://www.tf2outpost.com/trade/20137894 - "1 scrap below bp.tf".

http://www.tf2outpost.com/trade/19712895 - 1.4 Keys.

http://www.tf2outpost.com/trade/20139211 - 1.4 Keys.

http://www.tf2outpost.com/trade/19767938 - 1.4 Keys.

http://www.tf2outpost.com/trade/20114741 - 1.4 Keys.

http://www.tf2outpost.com/trade/20103392 - 1.4 Keys.

http://www.tf2outpost.com/trade/20117684 - 1.4 Keys.

http://www.tf2outpost.com/trade/20115151 - ~1.5 Keys.

http://www.tf2outpost.com/trade/6618590 - 1.5 keys.

http://www.tf2outpost.com/trade/19862986 - 1.5 Keys.

http://www.tf2outpost.com/trade/20094581 - 1.5 Keys.

http://www.tf2outpost.com/trade/20143846 - 1.5 Keys.

http://www.tf2outpost.com/trade/20142253 - 1.5 Keys.

http://www.tf2outpost.com/trade/20095354 - 1.5 Keys.

http://www.tf2outpost.com/trade/20115145 - 1.5 Keys.

http://www.tf2outpost.com/trade/19998733 - 1.5 Keys.

http://www.tf2outpost.com/trade/20143494 - 1.5 Keys.

http://www.tf2outpost.com/trade/20078189 - 1.5 Keys.

http://www.tf2outpost.com/trade/20138991 - 1.5 Keys.

http://www.tf2outpost.com/trade/20142267 - 1.5 Keys.

http://www.tf2outpost.com/trade/20052180 - 1.5 Keys.

http://www.tf2outpost.com/trade/20144888 - 1.5 Keys.

http://www.tf2outpost.com/trade/20077360 - 1.5 Keys.

http://www.tf2outpost.com/trade/20127164 - 1.5 Keys.

http://www.tf2outpost.com/trade/20094422 - 1.5 Keys.

http://www.tf2outpost.com/trade/20052875 - 1.5 Keys.

http://www.tf2outpost.com/trade/19933097 - 1.5 Keys.

http://www.tf2outpost.com/trade/20095872 - 1.5 Keys.

http://www.tf2outpost.com/trade/19914218 - 1.5 Keys.

http://www.tf2outpost.com/trade/20143048 - 1.5 Keys.

http://www.tf2outpost.com/trade/20121016 - 1.5 Keys.

http://www.tf2outpost.com/trade/20145027 - 1.5 Keys.

http://www.tf2outpost.com/trade/19860205 - 1.5 Keys.

http://www.tf2outpost.com/trade/19987682 - 1.5 Keys.

http://www.tf2outpost.com/trade/20118303 - 1.5 Keys.

http://www.tf2outpost.com/trade/20110279 - 1.5 Keys.

http://www.tf2outpost.com/trade/19940962 - 1.5 Keys.

http://www.tf2outpost.com/trade/19633527 - 1.5 Keys.

http://www.tf2outpost.com/trade/20125948 - 1.5 Keys.

http://www.tf2outpost.com/trade/20116037 - 1.5 Keys.

http://www.tf2outpost.com/trade/20056351 - 1.5 Keys.

http://www.tf2outpost.com/trade/20074737 - 1.55 Keys.

Unsolds at 1.6 Keys:

http://www.tf2outpost.com/trade/20121591 - 1 Day old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/20120077 - 1 Day old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/20111243 - 1 Day old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/20098472 - 2 Days old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/20088781 - 2 Days old - 1.6 Keys - Unsold - Autobumper.

http://www.tf2outpost.com/trade/20107726 - 2 Days old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/20109296 - 2 Days old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/20091214 - 2 Days old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/20107144 - 2 Days old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/20088131 - 2 Days old - 1.6 Keys - Unsold - Autobumper.

http://www.tf2outpost.com/trade/20070898 - 3 Days old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/20073574 - 3 Days old - 1.6 Keys - Unsold - Autobumper.

http://www.tf2outpost.com/trade/20070898 - 3 Days old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/20064527 - 4 Days old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/20066461 - 4 Days old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/20051076 - 5 Days old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/20037395 - 6 Days old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/19988215 - 1 Week+ old - 1.6 Keys - Unsold - Autobumper.

http://www.tf2outpost.com/trade/20003908 - 1 Week+ old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/19941999 - 1 Week+ old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/19929363 - 1 Week+ old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/19980903 - 1 Week+ old - 1.6 Keys - Unsold.

http://www.tf2outpost.com/trade/19967450 - 1 Week+ old - 1.6 Keys - Unsold.

---------------------------------------------------------------------------------------------------------------------------

http://www.tf2outpost.com/trade/20125967 - 1 Day old - "bp.tf prices" - Unsold.

http://www.tf2outpost.com/trade/20127925 - 1 Day old - "bp.tf prices" - Unsold.

http://www.tf2outpost.com/trade/20124157 - 1 Day old - "bp.tf prices" - Unsold.

http://www.tf2outpost.com/trade/20116322 - 1 Day old - "bp.tf prices" - Unsold.

http://www.tf2outpost.com/trade/20093117 - 2 Days old - "bp.tf prices" - Unsold.

http://www.tf2outpost.com/trade/20084593 - 3 Days old - "bp.tf prices" - Unsold.

http://www.tf2outpost.com/trade/20083768 - 3 Days old - "bp.tf prices" - Unsold.

http://www.tf2outpost.com/trade/20065828 - 4 Days old - "bp.tf prices" - Unsold - Autobumper.

http://www.tf2outpost.com/trade/20056529 - 4 Days old - "bp.tf prices" - Unsold.

http://www.tf2outpost.com/trade/20038664 - 5 Days old - "bp.tf prices" - Unsold - Autobumper.

http://www.tf2outpost.com/trade/20035969 - 6 Days old - "bp.tf prices" - Unsold.

http://www.tf2outpost.com/trade/19933051 - 1 Week+ old - "bp.tf prices" - Unsold - Autobumper.

http://www.tf2outpost.com/trade/19988948 - 1 Week+ old - "bp.tf prices" - Unsold.

http://www.tf2outpost.com/trade/19977226 - 1 Week+ old - "bp.tf prices" - Unsold.

http://www.tf2outpost.com/trade/19795078 - 2 Weeks+ old - "bp.tf prices" - Unsold - Autobumper.

http://www.tf2outpost.com/trade/19735166 - 3 Weeks+ old - "bp.tf prices" - Unsold.

http://www.tf2outpost.com/trade/19555589 - 1 Month+ old - "bp.tf prices" - Unsold.

http://www.tf2outpost.com/trade/19434295 - 1 Month+ old - "bp.tf prices" - Unsold.

http://www.tf2outpost.com/trade/18620077 - 2 Months+ old - "bp.tf prices" - Unsold.

The rest I found where either priced higher than 1.6 Keys, priced higher due to parts or killstreak, unpriced, not bumped in 1 day+.

This clearly proves that 1.35 Keys is not a quicksell, and is rather easy to find, and can even be a little hard to sell for 1.35 Keys.

Yes.