Washington Quarter assist...please.

I just picked this on the Bay. 1934 NGC MS65, (old no-line slab) could I get an explanation of heavy vs light frin those that know? I was bored and was looking for Lincolns, I don't do quarters. Thanks, Mike
WASHI-LINK
WASHI-LINK
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Motto
In honor of the memory of Cpl. Michael E. Thompson
In honor of the memory of Cpl. Michael E. Thompson
<< <i>That is a Medium Motto coin. >>
The light and medium motto quarters havethe center point of the 'W' in 'WE' lower than the outside points. The light motto is visibly lighter- it almost fades into the field...