....I think Murr'y, nodgrass and Shappe are really lame variations that shouldn't be recognized as legitimate printing errors like, e.g., Magie and Doyle N.Y. Nat'l.
In other words your Lundgren is every bit as (un)special as nodgrass to me!
A lot of times people will try to collect these things cause they heard on an internet chat board that someone somewhere is paying a premium for them. Don't believe the hype!