To confuse even more, I think it has the hand beveled edges as opposed to the rounded ones. See the photo:
Also, what's the best thing to use to clean/polish up this Bakelite? Should I just use a damp cloth, or does it not matter what you use. Thanks for all the info! It's funny, I ended up purchasing two Ricky lap steels this weekend. One is this one and one is a gray metal NS. I've loved lap steel for a long time and am finally excited to start learning how to play. If I can learn Sleepwalk, by Santo and Johnny....It'll be freaking amazing! I don't care how long it takes me to get it right.....ha