Enillwyd y gystadleuaeth y llynedd gan Travis Carter 9 oed o Ysgol Gymraeg Cwmbrân, a chafodd ei gerdyn ei ddewis o blith dros 700 o gynigion.
Last year’s competition was won by 9 year old Travis Carter of Ysgol Gymraeg Cwmbrân, whose winning design was chosen from more than 700 entries.