The latest value according to the agency with a Cryptocurrency rating from D- or lower includes the following twelve:

Auraracoin (D-),
Comet (E-),
Electroneum (E +),
Overlay (E),
Gulden (D-),
Matchpool (E)
Magacoin (E-),
Novacoin (E),
PotCoin (D-),
Quark (E-),
Risen (D-)
SaluS (E-)
It should be noted, however, that Weiss Ratings often updates its ranking so you have to check their website regularly for the latest values.