1947 M6 Conn "Naked Lady" want to sell

Does anyone know what the E that stands alone, above the serial # stands for on my M6 C.G. Conn Naked Lady with serial number 320113. L for low tone is also displayed.

Was stored in one closet for about 45 years. Beautiful copper looking patina. a few scratches and one small ding in back part of bell. Mother of Pearl keys.

Is Brass with original laquer. Has Rolled Tone Holes.
I will sell it if anyone is interested.

To INSURE I get your message also email this address besides posting an answer here.

Any advise about this sax will be greatly appreciated.
May need new pads. It is complete and original. But I will keep it original and let new owner take over from here while it is still as original as it gets.
So... what is that E standing for?

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Sure it's not an "A?" That would mean "alto." Can you post a picture of the inscription?

If you are interested in selling, you might want to post an asking price, and where you'd be shipping from.