Note the small letter 'I'.

注意小写字母‘i’。

This is a small letter.

这是个小写字母。

Seller: I don't have any small letter pads, only have the large one.

售货员：我没有小本的信纸，只有大本的。

It had a label showing the top and there was a small letter attached.

它有一个标签，显示上方有一个小的信中所附的。

But the small letter was written by a woman who had had seven children;

但这短短的情书却是一个有着七个孩子的女人写的；