Possible grades for these?

[takeonestepback]

I bought $190 in halves the other day, and I got
1-65
1-67
3-68-D
1-69-D

I'm happy with the pull, other than I got all those off of 4 hand rolled stacks, and the other 15 machine rolled didn't produce squat. Grading is also confusing as hell to me.. So help with grading please and if possible, point out why and things to look for?
1965

 

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[takeonestepback]

1967

 

[takeonestepback]

1968-1

 

[takeonestepback]

1968-2

 

[takeonestepback]

1968-3

 

[takeonestepback]

1969

 

[jolteon]

I am not very good at grading Half dollars, however as far as I can see there is no scratches or marks on the coins which is a really good sign and helps with the grading! I'm not going to take a gas however these look like to be in don't take this but I would probably gas in between a very fine 20 and are extremely fine 40 but don't go and don't trust me on this!

 

[Mackaydon]

Self-grade here if you wish:
PCGS Photograde Online
Don...