Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Sea Serpent since January 2018. Very high accuracy
LEGO 6057 Sea Serpent was a 126 piece Castle set with 5 minifigs released in 1992. It was also called "Black Knight's Ship". The current value for a new and sealed Sea Serpent is estimated at $353 with an average yearly gain of about 6% which is lower than other Black Knights sets. On the secondary markets, the typical price range for the set MISB/NISB is between $328 and $402. The current used prices for Sea Serpent can be found in the range of $62 and $84 depending on the set's condition, with an average price of $70 if it is in good overall condition.

For Sale (New/Sealed)

(DE) NEW, but box is open and with some marks. See original pictures!
$324.91
-7.9%
(US) #6057 Sea Serpent 100% Complete 1992 Lego Castle Black Knights NEW MIB
BrickEconomy Choice
$325.00
-7.9%
(US) 6057 Sea Serpent Black Knight Castle Ship
$362.00
+2.6%
(US) Amazon listing for Sea Serpent
~$370.61
+5.0%
(US) System 6057 NEW Sea Serpent Set 1992 Complete
$400.00
+13.3%
(US) This set is Brand New and Sealed. We are the original owner and bought it new off the...
$425.00
+20.4%

Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the last 3 months of new/sealed 6057 Sea Serpent.

Sets in Castle / Black Knights

Theme / Subtheme Castle / Black Knights
Year 1988
Pieces / Minifigs 702 / 12
Availability Retired
6085 LEGO Black Knights Black Monarch's Castle
Retail $67.95
Value $2,603.71
Growth  3731.8%
Annual growth 6.5%
Theme / Subtheme Castle / Black Knights
Year 1992
Pieces / Minifigs 588 / 12
Availability Retired
6086 LEGO Black Knight's Castle
Retail $84.99
Value $4,850.45
Growth  5607.1%
Annual growth 11.7%
Theme / Subtheme Castle / Black Knights
Year 1990
Pieces / Minifigs 224 / 5
Availability Retired
6059 LEGO Black Knights Knight's Stronghold
Retail $21.99
Value $674.66
Growth  2968.0%
Annual growth 6.0%
Theme / Subtheme Castle / Black Knights
Year 1993
Pieces / Minifigs 58 / 2
Availability Retired
1547 LEGO Black Knights Boat
Retail $4.25
Value $195.03
Growth  4488.9%
Annual growth 11.0%
Theme / Subtheme Castle / Black Knights
Year 1990
Pieces / Minifigs 56 / 2
Availability Retired
6018 LEGO Black Knights Battle Dragon
Retail $4.49
Value $134.60
Growth  2897.8%
Annual growth 10.2%
Theme / Subtheme Castle / Black Knights
Year 1992
Pieces / Minifigs 49 / 2
Availability Retired
1888 LEGO Black Knights Guardshack
Retail $3.49
Value $140.33
Growth  3920.9%
Annual growth 12.2%
Theme / Subtheme Castle / Black Knights
Year 1992
Pieces / Minifigs 48 / 2
Availability Retired
1491 LEGO Black Knights Dual Defender
Retail $3.49
Value $164.93
Growth  4625.8%
Annual growth 10.2%
Theme / Subtheme Castle / Black Knights
Year 1990
Pieces / Minifigs 46 / 2
Availability Retired
6034 LEGO Black Knights Black Monarch's Ghost
Retail $7.25
Value $284.97
Growth  3830.6%
Annual growth 9.8%
Theme / Subtheme Castle / Black Knights
Year 1993
Pieces / Minifigs 36 / 1
Availability Retired
1971 LEGO Black Knights Battering Ram
promotional
Value $163.25
Annual growth 5.8%
Theme / Subtheme Castle / Black Knights
Year 1992
Pieces / Minifigs 24 / 1
Availability Retired
6009 LEGO Castle Black Knight
Retail $3.25
Value $150.00
Growth  4515.4%
Annual growth 10.2%
Theme / Subtheme Castle / Black Knights
Year 1993
Pieces / Minifigs 22 / 1
Availability Retired
1624 LEGO Black Knights King's Archer
Retail $2.49
Value $60.74
Growth  2339.4%
Annual growth 10.9%
Theme / Subtheme Castle / Black Knights
Year 1993
Pieces / Minifigs 22 / 1
Availability Retired
1917 LEGO Black Knights King's Catapult
Retail $1.99
Value $96.67
Growth  4757.8%
Annual growth 12.8%
Theme / Subtheme Castle / Black Knights
Year 1998
Pieces / Minifigs 22 / 1
Availability Retired
2890 LEGO Black Knights Stone Bomber
promotional
Value $63.13
Annual growth 10.5%
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