1877 Seated Liberty Quarter 25c - NGC Proof PF 63 - Low Mintage Rarely Seen Proof Type. Proof mintage officially listed at 510 pieces! Unofficial mintage may be 880 pieces. The last 4 pictures were taken under direct light.Please be patient as 7+ day delays are the norm in Tallahassee. The item "1877 Seated Liberty Quarter 25c NGC Proof PF 63 Low Mintage Rarely Seen Type" is in sale since Tuesday, June 1, 2021. This item is in the category "Coins & Paper Money\Coins\ US\Quarters\Seated Liberty (1838-91)". The seller is "dave2" and is located in Gulf Breeze, Florida. This item can be shipped to United States.