I own both the Williams and a C series Sheridan. The instructions that come with the sight show it being mounted on the right side of the "Bolt receiver" Unfortunately My Mounting plate & holes is on the left side of the "Bolt Receiver", meaning if I tried it the sight would be backwards. So I looked at the photos in the Bluebook of Airguns and there is a photo of a Benjamin model 397, S397 & 397C with a Williams sight mounted on the right side. All the photos of the Sheridan's have the mounting plate on the Left side. So I would say "No."
It was manufactured in 1978
It was manufactured in 1978
1974 see the link below
Around $100 in good condition.
What condition is it in, both mechanically and physically. That determines the value
It all depends on age, use, and condition of the rifle. Is it in Poor, Fair, Good, Very good or Excellent condition. Sheridan made 4 different model C series. The C Silver Streak, C9 Silver Streak, CB9 Blue Streak, and C9BP. Which one are you asking about?
The C9 was discontinued in 2012. But I think yours is much older. Sheridan had a very unusual past ( too long to go into here) I suggest you go to the CROSMAN web site and give them the serial number and ask them for information on you rifle. Call them. Crosman owns both Sheridan and the Benjamin line of airguns
The sheridan H series in good condition is roughly worth $100
I Think I've located the answer to your question. A short history. Benjamin air rifles and Sheridan air rifles once were separate companies. Sheridan developed the C series 20 caliber series of rifles. Benjamin bought Sheridan and continued to make the C, 20 caliber series rifles. They also made a .177 and a .22 caliber C series rifle called a Benjamin. Crosman bought out Benjamin (in 1992) and decided to continue making the C series. With the name Sheridan on the .20 cal rifle and Benjamin on the .177 & .22 cal rifle some rifles also had the Crosman name on them. ( confused enough?) Because you have asked for about a Crosman C9 I believe yours in one of the older models. It was most likely made around 1990. From 1949 to 1990 they were just called Sheridan later called C9 and CB9. But I am not positive.
Dan Sheridan died in 1963.
What is the age of a Sheridan c series 5mm 20cal rifle serial number 370862
A short history. Benjamin air rifles and Sheridan air rifles once were separate companies. Sheridan developed the C9 20 caliber series of rifles. Benjamin bought Sheridan and continued to make the C9 20 caliber series rifles. They also made a .177 and a .22 caliber C series rifle called a Benjamin. Crosman bought out Benjamin (in 1992) and decided to continue making the C series. With the name Sheridan on the .20 cal rifle and Benjamin on the .177 & .22 cal rifle some rifles also had the Crosman name on them. ( confused enough?) During all this confusion and name changing the C9A came along. I have 4 reference bluebooks on air guns and not one of them can give me a date for the C9A, But Crosman has a web page that list manufacture dates by serial number for Benjamin and Sheridan. (See the link below) when it opens scroll down to the Sheridan dates. (the first part is all Benjamin) Hopefully you have the serial number and can match the number with a date of manufacture.