Each region quoted in its local currency — independent market readings, not FX conversions
The LWB California Spider (1957–1960) and the SWB California Spider (1960–1963) are distinct, non-comparable markets and should not be treated as one range when assessing value. LWB cars currently average in the $7–9 million band at public auction, with covered-headlamp and alloy competizione examples pushing higher. SWB cars trade in a materially higher bracket — comfortably eight figures for good steel road cars and pushing well into the mid-teens and beyond for covered-headlamp examples with clean Classiche books.
Within each form, value is set chassis-by-chassis rather than by a generic range. Covered-headlamp cars, matching-numbers drivetrains, original colour combinations and continuous ownership files dominate. Public trades of headline-grade cars in either form are thin, so private results and asking prices are often running ahead of the last public hammer figure.
The 2026 season is the strongest single-season read the market has produced. Three SWB sales landed inside a ten-week window at €16,655,000, €14,067,500 and $16,505,000 inclusive (against $15,000,000 hammer disclosed by the house); a further SWB printed at $18,150,000 in May. Over the same season the LWB anchor printed at $7,045,000 and a further LWB failed to meet a €5,500,000–€6,500,000 estimate. That is a roughly 3-to-1 SWB-over-LWB premium observed across a single season on a car that trades perhaps twice a year at public auction.