excavating in photoshop

I had quite an enjoyable time excavating the photoshop version of the erasing doodah (when it wouldn't work). But in photoshop you really do excavate - what you rub away on first layer is the only way down to the next and so on. so you have to choose what to keep each time. So has a very different look to the "proper" version.

this is all old wholesale reciepts a couple of shopping lists and a letter from india that contains quite a lot of listing.

I've since rewritten the faggot shopping list as it was such poor quality (can't find original file)
but maybe regretting it. See below, but that one does have a lot of that layer revealed.