Between Jonah Matranga and Cho Kyuhyun, which singer has appeared on postage stamps?
Cho Kyuhyun: Cho Kyu-hyun (born February 3, 1988), better known mononymously as Kyuhyun, is a South Korean singer and musical theatre actor. Cho Kyuhyun:  He is one of the first four Korean artists to appear on Chinese postage stamps.
i don't know