Professional Coin Grading Service (Galician Wikipedia)

Analysis of information sources in references of the Wikipedia article "Professional Coin Grading Service" in Galician language version.

refsWebsite

Global rank Galician rank

low place

2,883^rd place

low place

2,117^th place

3web.archive.org

1^st place

1^st place

1numismaticnews.net

low place

6,452^nd place

1coins-n-medals.com

low place

low place

coins-n-medals.com

Boinott, D. W. (1997). "Population Reports: The Value?". Coin-n-Medal Collectors' Asylum.

coinweek.com

"PCGS Announces New Anti-Counterfeiting Coin Holder Arquivado 11 de xaneiro de 2020 en Wayback Machine.". En Coin Week. 13 de xaneiro de 2014.
Morgan, C.; Walker,H. (2013). "A Close Look at PCGS Ike Populations, from 2010 through 2013 Arquivado 29 de novembro de 2020 en Wayback Machine.". En Coin Week. 15 de marzo.
"PCGS Retro Label, Free CoinFacts Part of 30th Anniversary Announcement Arquivado 11 de abril de 2021 en Wayback Machine.". En Coin Week. 8 de xaneiro de 2016.

numismaticnews.net

PCGS co-founder dies. En Numismatic News. 21 de xullo de 2008.

pcgs.com

"Total coins graded". PCGS.com
Hall, D. (2003). "The Story of the Origin of PCGS". PCGS.com
"PCGS Collector Services & Fees". PCGS.com
"PCGS Announces Security Chip-Embedded Slabs To Protect Against Counterfeiting". PCGS.com
"PCGS Coinfacts". PCGS.com

web.archive.org

"PCGS Announces New Anti-Counterfeiting Coin Holder Arquivado 11 de xaneiro de 2020 en Wayback Machine.". En Coin Week. 13 de xaneiro de 2014.
Morgan, C.; Walker,H. (2013). "A Close Look at PCGS Ike Populations, from 2010 through 2013 Arquivado 29 de novembro de 2020 en Wayback Machine.". En Coin Week. 15 de marzo.
"PCGS Retro Label, Free CoinFacts Part of 30th Anniversary Announcement Arquivado 11 de abril de 2021 en Wayback Machine.". En Coin Week. 8 de xaneiro de 2016.