I don't have a dollar figure for you but i would assume that the odd claibers that did not appear in the regular model 700 lineup would fetch a bit more than the ones that did. I did find some information for you.

take a look here.

Remington began offering the Model 700 Limited Edition "Classic" in a different caliber each year begining in 1981. Model 700 Classic Rifles were offered in the following calibers from 1978 to 1985:.22-250 Remington, .243 Winchester, 6mm Remington, .30-06 Springfield and 7mm Remington Magnum. The limited editions began in 1981 through 2005. They are listed below.

1981: 7mm Mauser
1982: .257 Roberts
1983: .300 H&H
1984: .250 Savage
1985: .350 Rem Mag
1986: .264 Win Mag
1987: .338 Win Mag
1988: .35 Whelen
1989: .300 Wby Mag
1990: 25-06
1991: 7mm Wby
1992: .220 Swift
1993: .222 Rem
1994: 6.5x55mm Swedish
1995: .300 Win Mag
1996: .375 H&H Mag
1997: .280 Rem
1998: 8mm Rem Mag
1999: .17 Rem
2000: .223 Rem
2001: 7mm-08 Rem
2002: .221 Rem Fireball
2003: .300 Savage
2004: 800 Mauser
2005: .308 Win