@NancyJohnson I was curious about this - I found this discussion https://forums.fender.com/viewtopic.php?f=9&t=104873 - if you read down to "58", its stated that brass plates started in the 58 model and thus would not be present in his 57 model above (if they are trying for historical accuracy of course) - I've seen them on seventies models, but no later