1913 Proof-67 (NGC). A magnificent specimen of this sandblast proof Indian quarter eagle in Gem proof 67, graded by NGC. The surfaces of these Sandblast Proofs tend to twinkle like stars in the galaxy when rotated in the light. The vast majority of survivors are in the proof 64-66 category making gem proofs like this specimen far and away the rarest of all. NGC Census: 10; 3 finer (all Proof-68).