This month’s Mecum Auctions sale in Monterey is bound ... we showed you last week and the incredible all-original 1969 Boss 429 you’re about to see below. Although any Boss 429 can be ...

The all original and unrestored 1969 Ford Mustang Boss 429 we introduced you to about two weeks ago fetched an amazing $550,000 at the Mecum Auctions sale in Monterey last weekend. With only 902 ...

And it all happened during the final two days of Mecum Auctions' 37th Original Spring Classic at the Indiana State Fairgrounds.

But the considerable cost (the engine option alone cost $1,208.35) meant that the Boss 429 would never be a common Mustang. Only 857 '69 Boss 429s were built between January and July 1969.

1969 Ford Mustang Boss 429 Fastback. Credit: Mecum Auctions. The collection's 1969 Ford Mustang Boss 429 Fastback became the high seller in Houston at $324,500, and seven other slots in the top ...

but fans looking for something older can bid on this 1969 Boss 429. Set to be offered at Mecum Auctions Kansas City event, this high-performance coupe looks like it just rolled off the assembly line.

Though, this 1969 ... at the Mecum Auctions Kansas City Sale this weekend. There’s no estimate attached to the sale just yet, but it’s not going to be a cheap pony car. The Boss 429 is a ...

including a live stream of the entire auction at Mecum.com. Among the featured vehicles will be a 1969 Ford Mustang Boss 302, a ‘69 Mustang Boss 429, ’67 Shelby GT 500 fastback, a ’69 Dodge ...

For example, an unrestored (but in good condition with low mileage) 1969 Boss 429 Fastback was listed for sale at Mecum Auctions, which estimated its value at between $275,000 and $350,000.

The Boss 429 Mustang is all V-8 and no apologies. Only 850 fastbacks were made for the 1969 model year. This example looks to be in fantastic shape and boasts a great color combination.

But the considerable cost (the engine option alone cost $1,208.35) meant that the Boss 429 would never be a common Mustang. Only 857 '69 Boss 429s were built between January and July 1969.