1954 5c PR what are the die markers for the RE-ENGRAVED OBVERSE FS-401

LEMONHEAD_PENNY

HOW CAN YOU TELL THE REGULAR PFOOF FROM THE FS-401

davewesen

the ribbon behind the hair was re-engraved (strengthened) there are a couple versions, make sure you have the correct one. Pics at the link below

varietyvista.com/04a%20JN%20DD%20Vol%201/REDs%201954.htm

Aspie_Rocco

There is also a weird diagonal raised area between the ER of Liberty on SOME examples. I have found about 5 of this Variety, and only one has a faint line in ER that I noticed.