Between Jonah Matranga and Cho Kyuhyun, which singer has appeared on postage stamps?
Jonah Matranga:  He now continues to work and tour under onelinedrawing'. Cho Kyuhyun: Cho Kyu-hyun (born February 3, 1988), better known mononymously as Kyuhyun, is a South Korean singer and musical theatre actor.
i don't know