Most parents at anniversaries, especially long-term anniversaries expect something amazing with value. With that said I would suggest jewelry or something of that expense.
50th Anniversary: Yellow Roses and Violets. If you are considering which flowers to buy your spouse to celebrate fifty years of marriage then we would like to take a second to wish you our most earnest congratulations. The official flowers of fifty years of marriage are yellow roses and violets. To order flowers online, visit foothillsflorist.net
Card shops or even large book stores will carry a 70th wedding anniversary card or you or one of your friends that is handy at the computer can make their own card. Also 'Michael's Crafts' have wonderful ideas for making cards yourself. If you don't find such a wedding anniversary card and don't want to make your own you can buy a nice wedding anniversary card and write 'Happy 70th Wedding Anniversary' on the inside of the card.
Card shops; small gift shops; Michael's Crafts and some large book stores carry 25th Wedding Anniversary frames.
Wedding Engagement Anniversary Graduation
Retail outlets on high streets and in shopping malls.
This basket is good for any anniversary and you might want to buy an iris to go along with the basket as it is the flower for the 25th anniversary (also known as the Silver).
Wedding, Birthday, Anniversary, Christmas, Graduation
There are several websites which specialize in this sort of thing. YOu can go to http://www.weddingaccents.com/50th-wedding-anniversary-supplies.htm and see if that gives you any ideas.
If you are looking to buy well designed 50th Wedding Anniversary invitations but you don't want to pay over the odds then take a look at a site called Optimal print who can do this for you.
They say that on a 60th wedding anniversary that the symbol for a gift is the diamond. A simple gift would be a picture frame that they could put their picture of their special day or a picture of their grandchildren, if any.
Because the first anniversary is called the paper anniversary a good suggestion may be to buy them a paper bouquet of flowers to represent their first year of marriage.
It is traditional to give a sapphire gift on this anniversary.you could do like a bouquet of 'sapphire' colored flowersBuy the happy couple a bottle of Bombay Sapphire to help celebrate the anniversary. Buy the lemon and tonic to go with it just in case there is none in the house.You could buy them a vase or some kind of glass bowl and have there names and wedding anniversary engraved in a sapphire color.