You ever walked by a bookshop and see something very peculiar on display? With a very biting price tag. And you pass that bookshop again and again, that thing taunting you. Then you snap, get it and don't regret it a single bit.
It's a set of layouts, storyboards, key frames for Strike Witches ep6. Even if you don't care about the title itself, this is a gem to understand how the animation process goes and just how much effort it takes.