graduation certificate;  diploma;  testamur
 notarized document;  notarised document
 promissory note;  written acknowledgment of debt;  IOU
 insurance papers;  certificate of insurance
 testimonial;  presentation certificate
 transfer certificate title (lot ownership certificates);  deed of release
 secret will and testament;  sealed envelope will
 negotiable certificate of deposit
 deed of trust;  trust deed;  trust instrument
 Non-Fossil Fuel Certificate