Augmented reality stamp fusion content used in the NEXTSTEP exhibition hosted by the Stamp Museum.NEXT STEP is a digital media exhibition that applies NFT technology to existing postage stamps.The four 100th anniversary stamps on display at the exhibition are enriched with the augmented reality function of this app.The stamps show the four landmarks of Deoksugung Seokjojeon, Palmido Lighthouse, Yakhyeon Catholic Church, and Jindo Bridge, respectively.If you run the app and shine the stamp, the landmark in the stamp appears as 3D content, and you can hear the information about the landmark by voice.This app will have a docent function of a kind of exhibition using augmented reality.Visitors who come to see the exhibition can access the meaning of the 100th anniversary stamp more interestingly through the augmented reality app.