The last one. That’s not hyperbole — chassis 4137GT, a 1963 Ferrari 250 GT SWB California Spyder, is literally the final example built of just 55 short-wheelbase California Spyders produced between 1960 and 1963. It carries 67,462 miles, covered headlights, Ferrari Classiche certification, and a restoration by Berkeley specialist Patrick Ottis that preserved the original chassis, body, and drivetrain. The car last sold at Mecum Kissimmee in 2024 for $17.875 million — and on May 16, it crosses the block again with no reserve.
That single lot sets the tone for an event Mecum is calling one of its largest spring dockets in years. Dana Mecum’s 39th Annual Spring Classic runs May 8–16, 2026 at the Indiana State Fairgrounds in Indianapolis. The event’s centerpiece is The M Group Collection — a 41-car, single-owner assembly offered exclusively on that final Saturday.
The M Group Collection — What’s On Offer
Thirteen European performance machines. Nineteen examples of American muscle. Additional vehicles round out the full 41-car total. The European chapter alone reads like a private museum’s greatest-hits inventory.
Alongside chassis 4137GT, the Ferrari roster includes a 1991 F40 (chassis 087568) — one of 213 U.S.-spec examples and a rare recipient of the variable-height suspension system typically reserved for European-market cars — showing just 1,771 miles, Cavallino Platinum-awarded, and finished in Rosso Corsa. A 1995 F50, the 36th of 349 built, shows 1,357 kilometers following a comprehensive 2022 freshening by DK Engineering. Both the F50 and a delivery-mileage 2014 LaFerrari — one of 120 U.S.-market cars, 56 miles, black on black — are offered at no reserve.
The most singular Ferrari in the group isn’t a production car at all. The 2012 LaFerrari Prototype MP1 is the second-phase development prototype used between March 2012 and August 2013 to integrate and validate all mechanical systems, including an early version of Ferrari’s HY-KERS hybrid drivetrain. The bodywork is entirely unique. The Ferrari Classiche Yellow Book is present. It carries 36,079 km from development duty — and crosses at no reserve.
A 2003 Enzo in Grigio Titanio over Pelle Rosso rounds out the prancing horse contingent. It’s the only Enzo specified in that exact combination, one of just six painted in Grigio Titanio, and documented in Winston Goodfellow’s Ferrari Hypercars. Also no reserve.
The European chapter extends well beyond Ferrari. A 1995 Bugatti EB110 Super Sport (chassis 021) shows just 674 kilometers in original Blu Bugatti livery, its 3.5-liter quad-turbo V-12 rated at 603 horsepower. The backstory is extraordinary — work on the chassis commenced March 30, 1994, but it was diverted as a supplier training and demonstration unit, delaying final assembly until June 1995. The car had not completed the quality-approval process before Bugatti Automobili SpA entered bankruptcy on September 23, 1995. Chassis 021 was presumed lost before its later rediscovery in Munich.
A 2005 Maserati MC12 (VIN ZAMDF44B000019406) — number 19 of 50 — shows 515 kilometers in its signature Bianco Fuji and Blu Victory livery and crosses at no reserve. A 2020 McLaren Speedtail, car number 85 of 106, shows 74 miles from its 1,035-PS hybrid powertrain, a platform capable of 250 mph and 0–300 km/h in 12.8 seconds.
Rounding out the European tier: a 1994 Porsche 964 Turbo S Flachbau X83, one of ten Japanese-specification examples produced, and a 1972 Lamborghini Miura P400 SV (chassis 5066) finished in the rare combination of Bleu Tahiti with gold accents over white leather, restored by Cremonini Carrozzeria in Modena and showing 1,516 km — offered at no reserve.
Two 1971 Ferrari 365 GTS/4 Daytona Spyders bring cinematic provenance into the mix. The silver example — one of just 14 in that color — was formerly owned by film director Sydney Pollack. The red car carries documented ties to Warner Bros. Pictures and is believed to have appeared in both The Gumball Rally and A Star Is Born (1976).
What to Watch
May 16 is the date that matters. Chassis 4137GT carries a prior public sale of $17.875 million, and multiple no-reserve hypercar lots — an Enzo, an F50, a LaFerrari production car, an MC12, and a development prototype — could establish several meaningful market reference points heading into the summer auction season. Bidder registration and the full lot listing are available at mecum.com.
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