Good idea!
Someone else also suggested writing an email address that you'll check regularly, so the person who finds the card could send the pictures to you.
Also, perhaps store a text file of your contact details on the card.
digital camera by: GotPassport
good idea.. haven't lost one. Knock on wood, but will take this advice.
thanks!
Why didn't I think of that :) by: Isabelle
Thank you Phil for this great travel tip. Why didn't I think of this! I'll definitely do this on my next trip.