LEGO 283 Blue Sloping Ridge and Valley Bricks is a vintage System i Leg set from 1957 valued at $73 for new and sealed sets, up 14480% from an original retail price of $0.50. Annual appreciation has averaged 6.42% since release. On the used market, values range from $0 to $65 based on condition.
LEGO 283-2 Blue Sloping Ridge and Valley Bricks is a System i Leg Supplemental set released in 1957, containing 20 pieces. It is an early parts pack focused on blue roof elements, including variations of Slope 45 pieces such as 2 x 1 triple slopes, a 2 x 1 inverted slope with bottom tube, 2 x 2 double concave, a combined double convex/concave, and 2 x 2 double convex corner slopes. The assortment provided specialized ridge, valley, and corner shapes for roof building. This selection is similar in concept to set 483-5 Angle, Valley and Corner Slopes, Blue. Based on current trends, this set could be valued near $77 within the next year.
Blue Sloping Ridge and Valley Bricks is an incredibly rare set. Set 283-2 has not been available for sale online or in retail stores in new/good condition for over one year. Boxes in well-preserved condition are considered museum-grade collectibles, representing the very origins of LEGO. Its true market value is likely higher than the current estimate.
The last brand new Blue Sloping Ridge and Valley Bricks was sold on eBay.
There are currently no new/sealed listings available for 283-2 Blue Sloping Ridge and Valley Bricks at this time.