Not as useful in the 3rd world, very useful in Europe. Now not as needed as it once was, but still a good way to keep track of your injections. Local driver's licence Take your local driver's licence - it's occasionally useful. American Express Card Don't leave home without it. 3 blank checks from your home bank With your American Express card, you can write a check on your home account at any AMEX office and purchase more Travelers checks.
Travelers checks Several months worth.
You don't need a big suitcase, especially if you are going to be gone for a while. Your bag should have backpack straps that you can tuck away when going thru immagration. Wheels are optional. 1 Nametag for pack Get something better than those paper ones the airlines give you at the airport. Sleeping Bag This is definitely optional.