solve the initials

[snibsy]

70 = NSL

56 = D in P

7 = MCCM

52 = S in A

4 = S on a DB

4 = F on a P

2 = WDM a R

1170 = YB was M in CC

6 = B in an O in C

1 = KE

[showboat]

52 = States in America??
4 = Strings on a Double Bass??
2 = Wrongs Don't Make a Right
6 = Balls in an Over in Cricket
1 = Kellys Eye

[Drewhound]

70 = National Speed Limit

 

[showboat]

1170 = YB was M in CC? Is the Y Right? Because all I can come up with is:

1170 = Thomas Beckett was murdered in Canterbury Cathedral.

Which would make the Y a T.

[Jansy]

Perhaps it's 1170 = YB was M in CC - Year Beckett was Murdered in Canterbury Cathedral.

[jennymac]

4 = F on a P  =    4 faces on a pyramid