I took out all the seats and removed the upholstery as SMS needs them as a pattern. During the COVID lockdown, I took advantage of a sale by making a large deposit and taking a raincheck and it was only last year that I finally sent them the door cards and now the seat skins.
While doing so, I discovered that the back set springs are not usable due to considerable rust on the front and side lower rail and also due to some broken bits, one of which appears to have had a repair at one point unless it was made that way. However, I noticed an embossing on the rear seat cushion's formed foam which had the part number and was surprised to see it was the same back to 1951. If the seat itself was the same, then I may already have a good one from my 1954 Patrician parts car!
Enlarging the photo, the embossing is visible in the center which includes the part number.
Barely visible in this photo of the rear seat cushion standing upright is the very rusty bottom edge.
![Original Image](https://packardinfo.com/xoops/html/uploads/newbb/60923phpPTBbrH_sm.jpg)
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