I don’t think she cooks, but I may be recalling incorrectly. We don’t see them that often - maybe once a year - even though we’ve know them for 20+. I’m racking my brain to remember what she said about it when we saw them last fall - at my house for dinner.
I think those wine glasses are pretty, but would use them as a decorative item, and would not be so keen drinking wine out of them.
I don’t care for the wine glasses either. One of the reviewers on the site said that the wine tasted funny in them. Something about the wood not being aged properly.
My brother is getting remarried this year and he and his fiancé have stated no gifts. For the weddings that we have been to for older couples that a gift is expected we always get a gift certificate to a nice restaurant. I know that would be something we would appreciate even though we also eat out often.
If you don’t know if they’re registered, you can always just look them up on Williams Sonoma, Crate & Barrel, Macy’s, Amazon and other popular sites for registries.
I agree about a GC for a nice restaurant they might not go to on their own. Give them an experience, not a tangible item they might or might not like.
Do they like to travel? Maybe something travel or vacation themed?
Travel related- gift card from bedandbreakfast.com. My kids got me ebag packing cubes as a gift. I thought it was an interesting gift at the time but they have come in handy.
Do they have a yard? What about a tree or special plant (my favorite is endless summer hydrangea) that they could plant?
On the plant/ vegetation theme- orchid in nice pot, cactus type things depending on their style. I love hydrangeas!
Thanks for all the suggestions. Much appreciated. I’m still leaning towards the wine glasses but will think on it a few more days.
At least if you choose the wooden cups, you probably dont have to worry about them being broken in shipping!
The only problem I see is that there were some bad reviews on the taste/smell from the glasses. while the say they have changed the process to minimize the effect in the future and that they are going to include a note with the glasses to that effect… I don’t know… the last bad review was in January of this year which wasn’t that long ago so I would worry that when your friends try to use them there might still be a problem…
Since they have the necessities in their home, how about something they might not buy themselves that is a special memento to be treasured and used?
I’m thinking of engraved champagne flutes. They can be used on the wedding day and on special occasions they share together. Their names and the date of their marriage could be engraved on the pair.
Here are some that are very nice…
Waterford Crystal Wedding Vows Toasting Flutes, $135:
http://www.thingsremembered.com/product/Categories/Toasting-Flutes/Waterfordreg-Crystal-Wedding-Vows-Toasting-Flutes/pc/122/c/0/sc/5398/172534.uts?sortByColumnName=SortByPriceDescending
Waterford Monique Lhuillier Ellypse Flutes, $110:
http://www.thingsremembered.com/product/Categories/Toasting-Flutes/Waterfordreg-Monique-Lhuillier-Ellypse-Flutes/pc/122/c/0/sc/5398/163718.uts?sortByColumnName=SortByPriceDescending
Those are pretty, @soozievt There are also ones that can be engraved that can be bought directly from Waterford. If one or both are of Irish ancestry, that could be nice. Probably other companies have similar things, if they are not particularly into Waterford. http://www.waterford.com
"The wine glasses don’t do anything for me either. But since you really like them (and that is what counts) "
Actually, what counts is if THEY will like them. And based on the answers here, with many people saying they didn’t care for them, suggesting other things and saying the wine might taste bad—I’d say you’re really taking a chance here, that they will not like them, never use them, and only pull them out when you come to visit. If that’s fine with you, go ahead and get them. It might be an appropriate gift for an elderly couple, who drop glasses easily, and have lost their sense of taste. And smell. I wouldn’t say this if it was something you or a friend had made, but I think they are really unattractive, and not something anyone would use. No offense to the artist intended.
However, when I looked at the site you linked, it appeared that there were many interesting wine related items, that actually looked pretty cool. And if you really want to get them something made of wood, maybe they have a unique wooden salad bowl. I’ve seen some that are really works of art. Also, the glasses that soozievt posted are just beautiful, and those would surely be glasses to be treasured, especially if engraved. A friend of ours gave us an engraved glass for our wedding, and it’s one of the few gifts we still have, and appreciate, after 27 years. And one of the few wine glasses we haven’t broken. Maybe we need some of those wooden glasses!
Since you seem to want something “different”, you might also look on Etsy. They have all kinds of glass, pottery, and wooden glasses (as well as many other unique kinds of things). The artists that I’ve ordered things from have all been wonderful to work with (I’ve ordered a ceramic house number plaque, monogrammed laundry bag for college, apron, and wreath from different people and have been pleased with how pleasant and responsive everyone was). Beer is very big these days, if you think they may be into craft beer at all, nice beer glasses and some craft beer could also be an option. That would be my preference! 
I volunteer at a charity thrift store. Anything that comes in as a donation, I would not consider buying. I can’t tell you how many sets of engraved champagne glasses we get each year…and yes, some are Waterford. We can’t even resell them.
We have gotten many wooden drinking items…wine glasses (although I will say they weren’t as nice as the ones pictures here) as well as beer mugs, etc. No one buys those either.
At this point in my life, I’m trying to get rid of things…and this couple might be as well.
I’d go for something consumable, or for their yard. Or a gift card to a nice restaurant for an evening out.
I’m guessing that for things…if they want them, they can buy them themselves.
Come to think of it, we have many wedding gifts that have been left in a cupboard for nearly 30 years unused. Several of those items are drinking glasses, as we rarely ever drink. We do already have a few glasses and I purchased before we got married and when we are inclined to drink, we generally get one of the ones I had purchased, wash it out to get the dust off and then use that.
In my 50s, I’m into decluttering, NOT adding “stuff” to my life. I just bagged two bags full of stuff to donate and haven’t really even made much of a dent in all the “stuff” we have. Consumables is a great idea–something that is special to the area you live in, a well-regarded restaurant in their area, etc.
Some of the engraved stuff showing up in the thrift store could be from the kids getting rid of the stuff after the parents are dead and gone! Or, the old folks holding onto them until they downsize for the last time. Or because of divorce.You never know.
We actually got my inlaws an engraved vase for their 80th birthdays years ago (we had a party for them). It was from the glass company of someone my FIL knew from college. They were thrilled. It was displayed prominently until the end (and we have it now on our mantle). You just never know what someone will treasure. But yes, something consumable is the safest bet.
Thumper, perhaps the reason why you get the donated engraved wedding glasses isn’t because people don’t like them. Perhaps it’s because they got divorced! 
Maybe they can use these wood glasses to hold dentures when they’re getting older. It can be cute as a matching pair of dentures holders for a couple. I mean you need to use your imagination to use these uncommon gift items. Nobody wants to see dentures in a see through wine glass.