Looks like it's presented as original silverplate.
"Some wear at the usual places but the plating is still perfect. In short, it has been played but always very well taken care of. And still looking as new, in short, a marvelous (or great) instrument".
The last sentence using 'as new' is typical in dutch to say it's looking great, not meaning it looks line new again because of replating. If it is replated it is not mentioned on the site right now.
(just say the word John, should I make a call for you, unfortunately EU prices are not economical for US buyers)
The guy selling this is always very straight in his ads and every now and then he finds something really nice.