I have a yoyo I stole from the mall of America 25-26 years ago, that has to be the oldest thing Ive personally acquired. FWIW I emailed the the store 2-3 years ago to return or pay for it as an example to my kids, no response even though their still in business.
easiest answer is coffee cups...I have coffee cups from the 70's...still use, for brushes and knives(painting)...
Walt Whitman -- Leaves Of Grass With Autobiography -- 1900
I use my grandmother's cedar chest. I've had it for 31 years. I still have a game that I bought in 1996 for my son at work. Both are still in perfect condition. My car is a 2006 Hyundai, not perfect but only appearance flaws.
I have a tendency to use things until they wear out.
The oldest part of my house goes back to around 1840, I have tshirts from the seventies I still occasionally wear and a pair of jeans from around then that have just been fetched out of the suitcase storage. I have old 78 records I still listen to sometimes. Quite a bit of my furniture and ornaments around the house are from the 18 and 19 century I have garden tools and work tools that my great great grandfather and each generation since have used .. probably a lot of other old stuff around that I still use and never wonder about their age.f
I still have a jeans jacket that I wore to Woodstock in 1969...I was 15...it still fits!
I also have a rice warmer that was passed down to me from my Japanese grandparents...it is probably over 100 years old...It is wooden and I only use it for special family dinners...
I used to have an old knife, like an American made Swiss knife from 1963 when I was a kI'd. My brother, in the army at the time gave it to me. I retired it and gave it to my one son.
Fun to think about, bleu! I bought a jacket in 1980, for my first trip out of North America and have used it every time since! It even went to Borneo! I have a cast iron skillet which my grandmother owned. It's GOT to be over a hundred years old...still well-seasoned and still non-stick!
Looking forward to seeing some other responses.