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When I restored the TR3, I sent off for one. Interesting to have, but not useful for much, apart from knowing the "pedigree."
By the way, my certificate, as I've stated here before, was inaccurate with regard to the trim color. It also stated that the car was built without a heater, which mine had. Could have been dealer installed, but I doubt the dealer would have changed all the interior parts out from blue leather (on the certificate) to stone vinyl (what was on the car)!
[/ QUOTE ]Actually, a dealer changing out an interior back then was NOT completely out of the question...if it meant making a good sale! That said, the actual records are reputed to be quite accurate for the most part; it's the transcription that often leads to the errors you see. Especially with the older cars, the records used to make the certificates were largely handwritten...and then transferred to a microfilm format, which can be difficult to read.
On the plus side, I've heard a number of stories where folks received such known-to-be-wrong certificates, contacted BMIHT, and got corrected ones. Worth a try for the money spent on these.
Ultimately, whether they really are "worth it" is a personal choice. For me, I've had four cars researched; turns out two of the four cars were "Personal Export Delivery" models. That a: is an amazing coincidence that two such Heralds ended up with this Herald nut, and b: shed a lot of light on details of each car that seemed strange for cars built for the US market (example: one early saloon I have was built to US spec's, including LH steering, but all the lamp units (head, side/flasher, tail and license plate lamp) were to "home market" specification! Apparently the car was ordered here, bought and paid for in England, and then used there for a lengthy period of time. It also probably explains why this particular dar, built in April 1960, was first titled in the US as a 1962 model.