The postcard shows a painting by Bayani Jose entitled Lord Jesus Christ, a 1988 artwork. I found no information regarding the artist, about the painting nor its location (private collection or museum).
Roman Catholicism is the predominant religion, with 81% of the population belonging to this faith in the Philippines. With more than 71 million adherents, the Philippines is the fourth largest Catholic nation in the world, after Brazil, Mexico and the United States.
Religion in the Philippines Wikipedia Entry