Is there any way to get into a rolltop desk without the key?

Pick the lock(locksmith), a key, Can you provide a picture?
Does it look like it may be a key like this:
http://www.vandykes.com/product/tamb...lock-set-brass

REPLACEMENT KEY FOR ROLL TOP DESK LOCKS D1902

Yessss... Thank you soooo much!! I am going to order one of the keys!!