Never saw one like that. Mine is the Mohawk Brown model. I bought it at Sears and Roebuck for about 70 Bucks in 1972. It still shoots like brand new.

These web sites may give you some information:

Remington (Rem.) Nylon .22 Rifles; Nylon 66, 76, 77, 10, 11, 12

NylonRifles.com >> How much is it worth?

Now, back to the topic at hand...............