How tell 1916 or 1917 standing liberty quarter

Quarter1822

Hi All cu,
I have 3- standing liberty quarter NO STAR under on rev and date is worn out. Come from my dad give me.
How tell which 1916 or 1917?
Thanks

coindudeonebay

Easiest way to tell are the rivets on the shield. If you can see them, it's a 17, if not it could be a 16.

But, here's the rest.

SLQ diagnostics.

MarkInDavis

Try this link. And I hope English is a second language.