1900 Barber Half Dollar. Proof-63 (NGC).This is a pleasingly toned example with vivid blue, pink and apricot undertones to mottled olive-charcoal and pewter gray patina. The toning is iridescent in quality with a nicely mirrored finish readily evident as the coin rotates under a light. Popular turn-of-the-century issue for type purposes with a mintage of 912 Proofs.