The Greyhound Murphy Cap

The iconic greyhound pictured above is adorning a 1929 Lincoln. Of all the hood ornaments and radiator caps ever produced, the greyhound might be the one most reproduced. It is definitely “buyer beware” when it comes to the greyhound as even sellers frequently don’t know what they have. I picked up this greyhound radiator cap years ago:

The underside of the cap is marked “THE MURPHY CAP MFG BY RUPERT DIECASTING CORP KC MO.”

Rupert Diecasting was located in Kansas City until moving to Kentucky in the 1960s. I have been told that this cap was only produced in 1933, which makes it pretty rare. I haven’t been able to verify that, but it makes sense as I recently found a copyright infringement lawsuit that was filed against Rupert by Franklin Diecasting in 1933 regarding Franklin’s copyrighted “Greyhound Combination Ornament and Radiator Cap”. If you have any additional information on the Murphy Cap, I would love to hear from you. Contact me at

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