Lets start with:
Who made it.
How old is it.
Is it still working.
What do you mean by "USED" Well Used or just used.
Made by who? If you are asking about a Marksman Repeater, then it is not worth much. They only cost around $20 brand new. Used they go for less that $10
see the link below for the owners manual. The Marksman Repeater is a 4.5 .177 caliber pistol not a 5.5 .22 caliber pistol.
Brand new, they sell for under $25. Used they sell for around $10 - $15
.177 cal. Crosman, daisy, rws, beeman, marksman all make pellets in the .177 size
go to the link below.
It's in the grip. See the link below.
It was made between 1976 and 1983.
See the link below for the Owners manual and Parts manual. Crosman makes the Remington air rifle.
$177 is £145.86
$177 is £145.86
It is: 177-148 = 29
This is known as the repeatAIR not repeater. It's the Crosman model 1008 You can find the parts diagram for all Crosman's weapons on their web page. (See the related link at the bottom of this page) then click on Rifles or Pistol manuals