For coins where value or grade are concerned PCGS is a must. Any high rarity or grade rarities have to be in a PCGS holder or you're not getting anywhere. NGC is best for mint errors as I find their holders best present many types of mint errors and they have a low cost of encapsulation.

Should I use PCGS or NGC?

Just as there are some collectors who simply prefer coins certified by NGC, there are some who are more partial towards PCGS. Today, PCGS is trusted as one of the world's most reliable coin grading services. This reflects their original mission to bring a level of consistency to grading that could be guaranteed.

Is it worth getting coins PCGS certified?

Some extremely low mintage key date coins (under 100,000), can benefit from being certified by PCGS or NGC, even if they're in circulated condition. ... In nearly all situations, key date coins in uncirculated condition are worth having professionally graded; especially if you have multiple coins to submit.