Think I finally found 1942-S inverted mm dime

Looks like the coin has been cleaned, but in nice shape...

 

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I did some side by sides with some known inverted, I think it is. That would be a neat find, cool.

 

On ebay, as a rule of thumb, I look at which side the bump is on, then take a closer look if it's on the lower part.

 

Hey thank you for that!!!!

 

I should mention that many of the 1942-S dimes have the "trumpet tail" mint mark. The inverted mm is of the "straight serifs" mint mark type. Info on what these look like can be found here:

http://varietyvista.com/San Francisco Mintmark Styles.htm

 

That's what I look at. I was thinking, "straight serif is pretty uniform." But, after looking again, there is a hump, like you said. Hecht, I just don't know now. Maybe you do have one! If so, congrats!

 

Thank Harry for this post. I found two Mercury dimes all ready with Inverted MM. 1929 S and 1937 S.
That's happen only after I checked your post. congratulations for your.

 

Hi Carlos-

Beware, they didn't use this mint mark (straight serif) before 1942. I think they used the "small" mint mark before then that is similar, but my diagram does not apply.

Info here: http://varietyvista.com/Mercury Dime Files/San Francisco Mintmark Styles.htm

 

New lesson for me. I checked "only" the position of the BUMP. If is Up it's Normal position. And if it's down is Inverted.
Tomorrow I'll take some pictures to see what happen. Thank again for that information.
YOU ARE WRIGHT. The bump doesn't mean nothing in the others. Only The Serif and the triangular Stop. I did checked again my coins.