I found one displayed as "New In Box" at a show today and was surprised to learn that its said to be rare with some difference of the barrel bushing. Was told that only about 1500 were made and this was in 1969. The "BB" is stamped under the Serial Number and it did appear to be non-fired with a box and paperwork. I'll be very interested to learn what made this so special if you don't mind sharing your knowledge. S/N 333XXXC
I have been unable to find any account of it in the Blue Book Of Gun Values or the small Colt books that contain pertinent information about the brand. Thank you for your help!

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Sam
S&WHF 333 S&WCA 2198