A few hundred to multiple thousands of USD depending on age, condition, configuration.
Frontier 6 - 2005 was released on: USA: January 2005 (Sundance Film Festival)
Frontier Guard - 2010 Rippers 1-6 was released on: USA: 2010
Frontier House - 2002 The Reckoning 1-6 was released on: USA: 2002
Our Alaskan Frontier - 1943 was released on: USA: 6 November 1943
Alaska The Last Frontier - 2011 Somethings Fishy 2-6 was released on: USA: 6 November 2012
Star Trek Hidden Frontier - 2000 Her Battle Lanterns Lit 6-6 was released on: USA: 24 November 2005
Star Trek Hidden Frontier - 2000 Echoes 1-6 was released on: USA: 2000
Frontier Justice - 1958 Unrelenting Sky 1-6 was released on: USA: 18 August 1958
Castle - 2009 The Final Frontier 5-6 is rated/received certificates of: Netherlands:12 USA:TV-PG
Frontier Force - 2011 Marijuana Factory 1-6 was released on: USA: 11 October 2011
Frontier Day in the West - 1910 was released on: USA: 6 April 1910
The Frontier Boys - 2012 was released on: USA: 6 March 2012 (DVD premiere)