The coat of arms of Penang was first granted to the Settlement of Penang, then in the Federation of Malaya, by a Royal Warrant of King George VI dated 11 September 1949.
The coat of arms as granted was blazoned [1]:
The Prince of Wales's feathers and the motto Ich Dien referred to the fact that Penang was founded in 1786 as "Prince of Wales Island", while the blue and white bars are in reference to the Straits of Malacca that surround Penang island and separate it from Province Wellesley on the mainland.
The Areca-nut palm on the crest is the tree from which Penang (Pulau Pinang, or "Areca-nut-palm Island") derives its name.
The motto Bersatu dan Setia ("United and Loyal") was adopted by the Settlement Council of Penang in 1950[2] . As this was at the height of the Penang secession movement[3] , it seems that the motto to many people at the time would have referred to loyalty to the British Crown, rather than to the Federation of Malaya.
Subsequently, after the construction of the Penang Bridge in 1982-1985, the state coat of arms was changed to the present design, which can be blazoned as [4]:
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