american appearance Australian banknotes cash collectors color colored colors colour coloured colours currency decimal denominations dollars finance high-denominations lower-value monetary monetary-value money notes numismatics potential security success textures value values variations variety wealth atmosphere blue climate climatology cloud clouds conditions darkness daytime fine formations light meteorology patterns shapes skies sky southern streaks streaky sun thin vaporish vapourish various cloud formations weather white wispy architectural architecture Asia building classical-design collections Colonial columns decorations decorative heritage high historic historic-building historical history inside interior museum national-museum ornamental ornamentations rotunda significant Singapore substantial Victorian