The Revelation brand name was used by Western Auto from the 1950's to around 1970 on guns made by various manufacturers.
armscollectors.com Remington's are date code stamped from 1921 details on Remington Society of America.
Try this link from Remington. http://www.remington.com/library/history/firearm_models/shotguns/model_10.asp
On the internet.
Someone could find out more information about Remington Steele by looking on Wikipedia, as well as reviews on amazon and IMDb. Remington Steele was a show on NBC.
I have just seen this set on gunbroker.com
You can find information about Russell Arms Co. shotguns online at places like Gun Trader or at many local gun stores. You can also find information online at Shotgun World or Arms List.
One can find information about Remington hair straighteners online at Amazon, Argos, Walmart, HarveyNorman and Remington itself. Hair straighteners are mostly used for heavy and curly hair.
Remington Model numbers are normally on the left face of the receiver. Early shotguns and rifles did not have a model on them at all. Like for example the early Model 11 shotguns which I suspect you have if it doesn't have a model. probably pre-20's need serial to know.
Try the Blue Book of Gun Values
You have not provided enough information. Remington used/uses a date code, which is different for various models. A lot of this information is available on the web, but not from Remington.
One of the best sources for remington values is the book Blue book of gun values,by S.P.Fjestad.The most current edition is the thirty second edition.These can be had for around 30-35 dollars.