The Liberty "Forever" Stamps are a complicated issue to identify, as there are multiple printing/re-printings, dates and different printing vendors that each provide their own slight uniqueness to the stamp. To simplify what you have, in just looking at the perfs on the top row of stamps they are different from those on the bottom row.
Even though it relates to 2007 issues, the respective 2009 dated issues are subcategorized as 4125d (11.25 x 10.75 on 2 or 3 sides with bell 16mm wide and large microprinting); 4126d (same as 4125d except for small microprinting and 2009 printed in copper); 4127i (same as 4125d except for medium microprinting, bell 15mm wide, and date printed in copper); and 4128b (serpentine die-cut 8 on 2, 3 or 4 sides).
This link helps explain the microprinting:
https://goscf.com/t/331Gets quite complicated after awhile.