The Crusaders were one of the factions of LEGO's Castle theme introduced in 1984 along with the Black Falcons.
Crusaders consists of 6 sets that ran from 1990 to 1998. As of today,
6081 King's Mountain Fortress is the most valuable Crusaders set with an estimated new/factory sealed value of $3,408.
Summary
Castle Crusaders King's Mountain Fortress set 6081 was released in March 1990, retailing for $58, but has since been retired. New, unopened King's Mountain Fortress sets are valued at $3,408, while used sets can be found for $216 in good condition.
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