Please Help Identify: "Viking" Tenor Saxophone

Hello! I'm new to the world of saxophone. I played clarinet when I was younger and recently picked it back up due to a band I'm in, but I decided to try sax. I was given an old sax as a gift and I'm trying to identify it. The engraving says "Viking" and the serial is 5109. Below is a link to a gallery of images of it. Please let me know if any other pictures are needed. Although she needs a bit of maintenance, she plays very well. I was able to pick it up and play with no problem. Thanks in advance for your help.

https://plus.google.com/photos/1164...ms/5690176173949347777?authkey=CLbAqpGBz53fVA