If you haven't noticed yet or are not on steam alert, there has been a steam update with a lot of craftable items and there are still many valuable low craft numbers to made.
http://www.trade.tf/items/updates

And don't forget to brag about your low craft numbers :)
http://steamcommunity.com/groups/trade_tf/discussions/0/613936673320579629/

Remember that low craft numbers are value, they vary between 1 bud to 4-5 keys depending on the number.

Happy crafting!