4002
There's a whole sheaf of these, they really exist (my 'shopping skills were never even close to that apt), and they may still be at I've Been Framed, if one is so inclined to try and get them.The beauty of a Pencil with an eraser on each end is that you're not only not likely to make a mistake with one but since you aren't, those erasers are going to last a very, very, very long time.
