Welcome!
date worn off buffalos are worth little, for the most part. If you exert some effort to see the dates you may find something rare that bumps it up, but odds are they are just common worn out buffalos worth maybe $2 for all of them.
A 74
Ike dollar is worth up to $10 or so for the s mint mark and much less for the others. It could still be worth $2-5 if in really good shape.
For the older coin, try taking a pic of only it, at very high resolution/quality. Then crop off what you don't need (ms paint in windows can do this really fast, rectangle select what you want to keep, mash crop button). Then if it is still too large, reduce the size until you can fit it on the site. Repeat for front and back both.
**It is a bad day to be asking what a coin is worth if the silver content affects that.
Edited by jonnin
03/18/2020 11:16 pm