SCIENCE STAMPS. Document. 24 June 1977 Certificate of Deposit for Security Bank and Trust Company, Manila. Total of P75,000 deposited with maturity date of 21 December 1977. Total fee of P13.00 with documentary and corresponding Science Stamps affixed on reverse tied with Manuscript cancels. Filing punch holes on left (slightly torn) and commonly found wrinkling caused by stamps affixed to reverse.