Can someone please identify these grills. Bought them for a project cause they looked cool and would like to know where they originally came from. They are chromed alloy approximately 4.75" across. I bought them here in Australia but I'm pretty sure they are of a American car. No part numbers. Thanks for your help.
Look like horn grilles from a 1970 fullsize Pontiac. See photo: http://carphotos.cardomain.com/ride_images/2/4853/2061/24631030006_large.jpg
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