LEGO 521 1x1 and 1x2 Plates is a vintage Classic set from 1962 valued at $35 for new and sealed sets, up 6948% from an original retail price of $0.50. Annual appreciation has averaged 5.73% since release. On the used market, values range from $22 to $54 based on condition.
LEGO 521-1 1x1 and 1x2 Plates is a Classic Supplemental set released in 1962. This early parts pack was sold in a cardboard box version and centered on basic 1x1 plates and 1x2 plates with flat bottom pin components in assorted colors, including red, white, yellow, blue, green, trans-clear, black, and light gray. Box contents varied by release, with U.S. and Canadian versions packed in 30/50 assortments and European versions in 24/48 assortments. Known examples include combinations of 1x1 and 1x2 plate elements across those colors, reflecting the regional and packaging variations common in early 1960s LEGO supplemental sets.
A new and sealed 1x1 and 1x2 Plates is currently valued at around $35, with annual growth of approximately 6%. The average used price is $22 for those in good overall condition. Based on current trends, this set could be valued near $37 within the next year.