In 1992, LEGO released 5 Castle Black Knights sets, all of these sets have been retired. For that year, the total price of all retail sets cost $110, today those sets are valued around $3,892, a growth of 3448%.
Most valuable 1992 LEGO Castle Black Knights set
6086 Black Knight's Castle $3,059.61
Highest growth 1992 Castle Black Knights set
1491 Dual Defender +4387.68%
Most owned 1992 Castle Black Knights set
6009 Black Knight
5 sets

1491 Dual Defender

Theme / Subtheme Castle / Black Knights
Year 1992
Pieces / Minifigs 48 / 2
Availability Retired
1491 LEGO Black Knights Dual Defender
Retail $3.49
Value $156.62
Growth  +4387.7%
Annual growth 7.5%

1888 Black Knights Guardshack

Theme / Subtheme Castle / Black Knights
Year 1992
Pieces / Minifigs 49 / 2
Availability Retired
1888 LEGO Black Knights Guardshack
Retail $3.49
Value $150.81
Growth  +4221.2%
Annual growth 12.1%

6009 Black Knight

Theme / Subtheme Castle / Black Knights
Year 1992
Pieces / Minifigs 24 / 1
Availability Retired
6009 LEGO Castle Black Knight
Retail $3.25
Value $126.78
Growth  +3800.9%
Annual growth 8.2%

6057 Sea Serpent

Theme / Subtheme Castle / Black Knights
Year 1992
Pieces / Minifigs 126 / 5
Availability Retired
6057 LEGO Black Knights Sea Serpent
Retail $14.50
Value $398.53
Growth  +2648.5%
Annual growth 8.6%

6086 Black Knight's Castle

Theme / Subtheme Castle / Black Knights
Year 1992
Pieces / Minifigs 588 / 12
Availability Retired
6086 LEGO Black Knight's Castle
Retail $84.99
Value $3,059.61
Growth  +3500.0%
Annual growth 7.3%