For some reason, my passport picture was really quite the headshot (literally of my head)-- much larger than life. At the time, my hair was longer and my glasses had not entered the dot.communist era.
The nice immigration inspectors always do a doubletake when they see my passport.
I definitely advise against losing your passport, let them do a double take and scrutinize you, at least then you can think they are doing a good job.
lala