2¢ Carmine 6LL52
Defective transfer of the bottom left.
Research notes:
While not discussed in his book, Marler's personal collection had additional CPVs, usually with multiple examples.
Leo's Notes
Small bite missing from the LL corner of the frame with a diagonal spur above it.
Bottom frame is thick from the corner to the middle of the 2 in the LNB, and is thin from the right edge of the 2 to the E in CENTS.
The bottom line of the LNB is thin.
Guide dot close to the left border of the left inner oval.