* Rogers & Bro. A-1 xii IS silver set

I have a set in a leather trifold case with yellow velvet interior that is stamped with the name as well. It is a 6 place setting 4 piece set including a butter knife and sugar spoon for a total of 26 pieces. The set looks like the 1928 majestic set however the knives in our set look exactly like the forks and spoons and they say sterling silver on them and the word VIADNE. Is there another set with these more embelished knives in it? How much is this set worth? It was our great grandmas and hasn't been used in the last 30 years for sure. It looks to be in great condition, just needs to be cleaned :)

Good