Anything!
Stamps
Coins
Dolls
Firearms
Beer Cans
Dinosaur Bones
Silver
Art
Baseball Cards
Antiques
China
Porcelain
Cottages
Matchbooks
Jewels
Hen's Teeth
Clocks
Videos
Records
Tapes
CD's
Albums
Photos
Figurines
Hummels
Magazines
Programs
Games
Tools
Barbed Wire
Disneyana
Depression Glass
Insignia
Medals
Old Movies
Cookie Jars
Toys 
Elvis
Carnival Glass
Aviation Models
Rocketeering
Model Railroads
Knives
Relics
Treasures
Holograms
Duck Decoys
Fishing Lures
Quilts
Crystals
Unicorns
Books
Scouting
Dollhouses
Trading Cards
Coca Cola
Americana
Comic Books
Ashtrays
Enamel Pins
Chess Sets
Sheet Music
Erotica
Teddy Bears
Star Wars
Star Trek
Plates
Autographs
Animation Cels
Novelties
Fridge Magnets
Gnomes
Precious Moments
Ornaments
War Posters
Airlines
78 RPM Records
Politics
Pens
Globes
World's Fair
Civil War
Insulators
PEZ
Post Cards
Royal Doulton
Advertising
Toy Soldiers
Casino Chips
Bottles
Spoons
Road Signs
Cookie Cutters
Police 
Business Cards
Barbie
Juke Boxes
Maps
50's & 60's
Beer Steins
Cows
GI Joe
Rubber Stamps
Ham Radio
Tea Sets
Carvings
Carousel Horses
Stickers
Toby Mugs
Masks
Instruments
Microscopy
Telescopy
Baseballs
Oil Lamps
Beatle Mania
Rock Icons
Needlepoint
Salt Shakers
Keys
Wades
Cigarette Cards
Tins
Pipes
Avon
Hats
Buttonhooks
Belt Buckles
Franklin Mint
..and lots more