The Remington Fieldmaster was produced from 1955 to 1988. Your gun was made in March of 1956. Early guns were not numbered. It is a 22 caliber slide action with a 21" barrel, open sights, blued metal and a walnut stock. The values are:
excellent-$295, very good-$225, good-$150, fair-$75, poor-$50.
I hope this helps you,
I will have to refer you to customer service. I do not have any information on billing or any of your info.