This is a good holder for your graded NGC coins.

NCG coin holders are a certain size, this accommodates them well.

Holds 12 NGC Slabbed Coins!

OnShape Model:
https://cad.onshape.com/documents/0f32e31effadc62ef90c85d5/w/6856f27abc9a42c356eb1132/e/2e9c9adbf6d0c571b4746b44?renderMode=0&uiState=6662912ed0ac165adfd77f6b