more information
a) caliber - .38
b) bbl length (from cylinder to muzzle) - five inches
c) grips shape (round or square) - Rounded
d) number of shots/cylinder bores - six
e) type of sights. - Not sure, it looks like a half football on a tiny pedestal. maybe?
f) serial number, and if there is a letter in front of or anywhere near the s/n on the bottom of the grip - No letter 499xxx
g) Model number if it is under the crane.
That number, if it is the s/n, should come from the butt of the grip (or under the barrel or face of the cylinder).