How close is your label to this?
I bought mine from my teacher. He claimed it was from the late 1890's, but I am inclined to doubt it - mainly because there seems to be a broad consensus on this forum that these "strad" basses were mainly imported during the post-WWII era, by the thousands, and because I don't think that the laminating technology predates the 1920's or so. (I believe this claim about laminated basses being introduced around 1920 was made by a reputable poster here, but I can't find the post anymore.) I'm not an expert, I could be wrong. I'd love to think I have a 100+ y.o. bass, but I am seriously skeptical for the time being.
Mine is a flatback. It's pretty beat up around the edges, and appears to be refinished, with shellac, I think. It has nice tone, but is a bit wimpy on volume. Also, note that my label doesn't say "Made in Czechoslovakia" and doesn't have the completed date.
I'm mainly a lurker here (this is my first real post!), but I'd like to know more about these basses, too, especially for a better estimate of its age. I'll try posting another picture or two of mine. (How do you embed an image without doing the attached thumbnails thing . . .)