Neil Armstrong Medal Realizes Over $2 Million
The Apollo 11 Gold Robbins Medal was certified by NGC and CAG, two CCG affiliates.
NGC Certifies Massive Gold Pieces
The three 10-kilogram coins and a 5-kilogram "Show Panda" contain over $1 million in gold.
Numismatic Conservation Services
NCS provides professional conservation services for public and private collections of coins, tokens and medals.
PMG Grades Rare 1920 Canadian Note
The issue was previously thought to be unique.
Finest known copy of Action Comics #1 CGC Graded 9.0 sells for record $3.2M on eBay.
Collectibles Authentication Guaranty
See a video about the Armstrong Family Collection™, a phenomenal collection of memorabilia linked to Neil Armstrong.
Authenticated Stamp Guaranty
ASG provides an accurate, consistent and impartial assessment of a stamp’s authenticity and grade.
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