Just one more "bonus photo" before this thread rides off into the sunset of "page 2" and older...
Here she is with her younger sister - a March 1955 shipped, Class B engraved, nickel 357:
It is fun to see a couple of these shiny ones together. Note the difference in the front sight configuration - Blanchard insert on the bottom and the now standard insert on the top. Also, it's interesting to note the difference in "Class B" engraving coverage and complexity...