My eight-year-old skipped lunch for four weeks to buy a red dress for the two-year-old next door. The morning after he gave it to her, fifty lunchboxes were laid out in rows on our lawn — and the one in the middle had been filling up since 1985.

And Estelle came across the grass and took hold of my wrist.

Nobody moved. A man across the road put a mug down on his own wall without looking at it.

And she said it loud enough for every person out there:

He skipped meals for a girl who won’t remember him. And you let him.

She did not let go. She leaned in and said:

Close that box and get it off the lawn before somebody sees. Well?

PART 2

There was eighteen thousand four hundred dollars in that lunchbox.

In elastic bands, in bundles of different sizes, some of the notes so old and soft they did not crackle.

And a photograph, face down, at the bottom, under all of it.

I did not touch any of it. I stood there for about a minute and then I went and got a blanket out of the hall cupboard and put it over the box, which is not a sensible thing to do and is what I did.

Then I rang the police, because my son had asked whether it was stolen and because I was thirty-six years old standing on a lawn with eighteen thousand dollars and sixteen neighbours watching.

Two officers came at twenty past seven. One of them was about my age and she was extremely kind and she did not make me feel stupid.

They logged it. They took photographs. They asked me four times whether anybody in the household was in any kind of trouble.

And then the older one, who had said almost nothing, picked up the metal box itself and turned it over and looked at the base of it.

There is a name scratched into the bottom with a nail, in capitals, the way men used to do with their things at a plant so nobody else walked off with them.

O. CRANE.

He said: that’s Ozias. Number forty-one.

The younger officer said: who?

And he said: end house, blue door. Then he looked at her and said, in a slightly different voice, do not go down there mob-handed.

I asked him how he knew the name.

He said he had been on that division for twenty-two years and that Ozias Crane had rung the police exactly once in that time, in 2011, about a fire in a bin two streets over, and had stayed with it until the engine came and then gone home without leaving his name.