It is not my find. I got the info from LBC, and photos from BoyBlueJay auction, who are duly acknowledged. From LBC it seems solid stem is less available (similar to SANDAC's finding).
The plated versions are also broken stem. Solid stem is only seen in solid silver (well - 90% silver).
I have also learned that 1984 versions also have same varieties - although I have not seen a broken stem solid silver 1984 dragon eye so far.