The largest stamp collection in the U.S. belongs to the American Philatelic Society. Most are in agreement that the WWF Conservation Stamp Collection is the largest stamp collection in the world.
The largest collection of glasses cases is owned by the Ruby Stain Museum. They have the largest collection of ruby stained glass and glasses cases in the world.
The largest collection is probably in the hands of the DeBeers diamond organization.
The Gold Museum, in Bogotá, Colombia has the largest collection of gold artifacts in the world.
Jerry Seinfeld is rumored to own the largest Porsche collection in the world.
The world's largest sea animals are whales.
The worlds largest tree is located in northen California.
California
nco group
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No, they currently only have a record for the largest Potter collection overall.
Some mammals are the largest animals in the world.