According to a stamp dealer, this souvenir item was made for a Postpex event of the Philippine Philatelic Auction Club. This must have fallen on Postage Stamps Day of 1979.
Printed by silkscreen, the image at top illustrates the first stamp of the Spanish Philippines.
Affixed on the card is the 1949 Universal Postal Union souvenir sheet privately overprinted in 1963 for the 15th anniversary of the United Nations adoption of the Declaration of Human Rights.
The sheet is cancelled on October 9, 1979.
The souvenirs that collectors make!