In addition, old stock certificates also have significant value to collectors as well. A quick look at E-bay shows literally hundreds of auctions for old stock certificates. Many old stocks and bonds are artistically very beautiful. They make great decorations. Many others have very high historical value, and provide vivid evidence of great and not so great historical events.
Many certificates contain the valuable signatures of famous people.
Please don't force transfer agents to destroy our history by forcing the destruction of cancelled securities.