PCGS notes are typically worth more then PMG ones why the simple answer lies With in the registry, there are more people involved in PCGS then there are at PMG the grading services in my opinion are the same, kind of a trend especially In MPC
About $75 give are take would be on the lower side, you have to take in to consideration two things first it has no "EPQ" (exceptional paper quality) designation, and it is in a relitivley low uncirculated grade