adornment angles appearance arch arched architectural architecture background British-monarch building coat-of-arms crown dark decoration decorative design details distinctive elements exterior external feature frontage George-Rex George-V gr heritage historic historical history king King-George-V masonry old ornamental ornamentation ornate patterns perspectives quality reign sculpted shaped stonework style wall banknote british cash color colored colors colour coloured colours currency dollar finance low-value minimum monetary money notes numismatics pre-World-War-2 pre-WWII security Singapore Straits-Settlements textures value values