I assume the knives have Robeson's name on them somewhere and/or the box is so marked.
I do not recognize that paper insert. No idea what it's touting.
They have no collector value.
Unwrap them and put them to use in your kitchen. I use such knives every day.
Robeson sold a wealth of such knives and knife sets, some elaborately boxed or cased, during the 1950's and early 60's. I suspect a lot were given as wedding, Anniversary, Christmas and birthday gifts. Apparently, a good many of those gifted items were left in the box and saw little to no use. There are multiple such things on Ebay every day and the never sell for much money.
However, you can not go into any upscale kitchen shop and buy a better knife.
Those ShurWood handles, a product that Robeson manufactured in a separate facility, are very durable, but I recommend they be washed by hand and not put into a dishwasher.
The only such sets to avoid are the ROBESON CONTINENTAL ones. They were German imports. Most have fancy engraving on the blades with some gold or gold-tone inlay of hunting or boating scenes, etc. Probably good quality German cutlery, but not true Robesons.
This elaborate American made set is on Ebay right now. They are asking $225.00. They'll never get that. It will eventually sell for around $75.00 or a hundred dollars.
Most sets sell for $35.00 or so. I have paid as little as five dollars for a new old stock knife, still with that green cardboard sleeve in place.
DE OPPRESSO LIBER
"...Men may spurn our appeals, reject our message, oppose our arguments, despise our persons ___but they are helpless against our prayers. "