Are old premium bonds valid?

Related questions

1. Can grandparents open bank accounts for grandchildren?
2. How do I claim my unclaimed premium bonds?
3. Is there a list of unclaimed premium bonds?
4. What are the odds of winning on premium bonds?
5. How do you win premium bonds?
6. Are premium bonds good investment?
7. Can I cash in my premium bonds at the post office?
8. How much does a $100 savings bond cost?
9. Can I pay grandparents for childcare?
10. Do premium bonds have to go through probate?

Tags

1. #draws
2. #prize
3. #still
4. #cashed
5. #premium
6. #valid
7. #bonds
8. #haven