I'm definitely not an expert but I don't think its an FS-103. On VV, I see a much wider spread on it. I think you may have DDO-002, PR-2-O-II-C. But that's only my opinion.
http://www.varietyvista.com/13%20Ei...1SDDO002.htm
http://www.varietyvista.com/13%20Ei...1SDDO002.htm



































