Postage stamps and postal history of Malaysia Malacca: 5 cents yellow and 5 cents red. Negri Sembilan: 5 cents yellow and 5 cents red. Pahang: 1 cent grey, 5 cents red and 10 cents red. Penang: 5 cents yellow, 5 cents red, 5 cents blue, 5 cents blue and yellow, 6 cents yellow, 15 cents green, 15 cents black, 20 cents bright purple and 20 cents yellow. Perak: 2 cents dark green, 5 cents yellow, 10 cents red, 15 cents black, 15 cents magenta and 20 cents bright purple. Perlis: None. Sabah: 2 cents dark green. Sarawak: 1 cent grey, 2 cents black, 2 cents dark green,
Yellow-billed amazon work, "Systema Naturae". The yellow-billed amazon is long. Its plumage is mostly green with pink over the throat, upper breast and sides of neck, and blue in the larger wing feathers. Feathers over the ears are dark blue-green. The bare white eye-rings are surrounded by a narrow rim of white plumage, which continues as a narrow band of white over the forehead. Plumage over the lores is pale blue and the fore-crown is blue. A barred appearance over the back and sides of neck arises from the green feathers having black tips and edges. The tail feathers are green with