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Unless it is marked "Sterling" or after this great site "925-1000" or a veriation there of, the item you have is likely plated. How did you determine it was 1939? Sorry, I do not know the pattern, perhaps someone with more knowledge will let us know.
the only information I found on this was a graph that had all the date stamps for this maker. This mark (the one that looks like a flower) was for 1939.