The Sheridan Silver streak air rifle was made from 1949 up to the 1990's after that it became the Blue Streak.
what condition is the rifle in.
It was made in 1974.
The Sheridan Silver Streak air rifle with serial number 8691E was manufactured in 1970. Sheridan's production of the Silver Streak models began in the late 1940s and continued into the 1980s, with specific serial numbers indicating their production years.
The Sheridan Silver Streak air rifle with the serial number 5691 G was produced in the early 1970s. Sheridan's production of the Silver Streak model began in the late 1960s, and the serial numbers indicate a manufacturing timeframe of around 1971 or 1972. For precise dating, reference materials from Sheridan or air gun collectors may provide additional context.
The Sheridan Silver Streak is a 20 cal pump air rifle. To get an estimate of value please state the condition of the air rifle. Is it working? Is it in poor, fair, good, very good, or excellent condition.
It was made in 1975
Sheridan C silver streak in good condition would be worth between $125 -$160 USD
Sheridan made several C series rifles. I assume that you are asking about the C Silver Streak. Not the C9 Sliver Streak. In order to give you an estimate I need to know the condition of the rifle. Does it still work? Does it hold air. What condition is it in? All these determine the current value.
Here is the link to all of the manuals for Sheridan and Benjamin. Crosman owns Sheridan and Benjamin See the link below.
There are 3 versions of the Sheridan Blue Streak. See the link below for the 2nd version. BTW today Crosman owns the Sheridan and Benjamin line of air guns. This link is from Crosman
Depending on which version of the Silver Streak, the C Series or the C9 Series the value is about the same. In Very Good condition it is worth around $135 to $155 If it has no wear, scratches, dings, rust, pitting or other damage.
The Blue Streak has been in production from 1995 to present. If you want more Information I suggest you contact Crosman who owns both Benjamin and Sheridan. See the link below.