Your Hi Standard snub nose revolver is valued at between 40-190 dollars depending on overall condition and a good bore.
Depending on condition, $300-$400. That is for the 1955-56 models- later models may be slightly less.
10-500 USD or so
Made in 1956. Value will depend on condition- somewhere around $175
Chevron Hall of Stars - 1956 The Defense of Sentinel was released on: USA: 1956
10-40 USD
Somewhere AROUND 1956-57. Incomplete records.
250 or so
100-1000 USD
The R-101 was manufactured between Mid 1956 through late 1960. http://www.histandard.info/Histd/Sentinels.pdf
value of 1956 websters
c.1956
Please check your coins again and post a new, separate question. The last Indian Head nickels were made in 1938. Any 1956 or 1958 nickel is a standard Jefferson nickel, and has no special value in average condition.