1968-S Type B/C Question

I had the opportunity to lookat a few 1968 proof sets recently, and noticed that some of the quarters had what appeared to be the 'type B' reverse, and some had the 'type C' with the feather lines. They seemed to be evenly distibuted, but is one type rarer than the other, and is it something worth looking for?
You Suck! Awarded 6/2008- 1901-O Micro O Morgan, 8/2008- 1878 VAM-123 Morgan, 9/2022 1888-O VAM-1B3 H8 Morgan | Senior Regional Representative- ANACS Coin Grading. Posted opinions on coins are my own, and are not an official ANACS opinion.
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The name is LEE!
<< <i>Cool. I figured there was a thread about it somewhere... I think I'll start a mini hoard of 1968-S type B's! >>
Actually, if you do some work, you could probably do a mini-hoard of all the different types, become familiar with what belongs where and perhaps come up with some of those which Wiles needs verification on.
I recently purchased a roll of 1969-D Washingtons that were all RDV-007's which, back in 2003, he said were scarce.
The name is LEE!
Most 1968 S are what I call type M (RDV-007) which in 1968 was a modified proof only version. Yet there are three other circulation style 1968 S proofs which are much scarcer than the type B's.
<<I recently purchased a roll of 1969-D Washingtons that were all RDV-007's which, back in 2003, he said were scarce.>>
Interesting. I purchased a BU roll of 1969 D quarters that were all type M. Half of them were from well worn dies. How were yours?
I found 12.0 % of 1969 D's in circulation were type M.
I found 11.2% of the large 1970 D mintage in circulation were type M's and 4.4% were doubled dies with type M involved.
However near 100% of the mint sets and dealer's stock seem to be type M.
4.3 % of the small 1970 mintage were type M and 0.1% were a doubled die..
There were a series of clashed coins that also had die abrasions from a previous clash. Actually, two different styles of abrading that I could readily identify with another series a later die state.
I can only assume that these were pulled from a mint bag at some point or probably an original roll since the markers on the coins were all very similar. Definitely mot a put together roll.
The name is LEE!