Vintage daisy air rifle info and value

Hello i have a daisy air rifle i need info on since there isnt any at all i can find on it maybe someone on here can fill me in on it ,
is a Little Daisy #20 single shot breaks down like a shotgun , it has a nickel finish on it , i have had it for awhile and finished my fireplace and was going to put it up on display and just wanted some info and maybe a value on it if anyone needs pics just email me and i will send them and maybe someone could post them up for me , anyway the rifle still cocks and fires just doesnt push enough air for anything

my email is
xpppcbr@yahoo.com

thanks