Semaphore font (Bitstream library) is available in OpenType, TrueType and PostScript (Type 1) formats for PC and Mac. You can buy and download the font online. Click on the font picture to buy the font.
Semaphore
Semaphore font family : MyFonts Semaphore font family from Bitstream, prices starting at $24.75. http://www.myfonts.com/fonts/bitstream/semaphore/
Font collection on Fonts-online.com Alphabet font list
