We are NOT experts in this area. We have reasearched to the best of our abilities and will describe what we see. The pictures tell the best story.
All bear the 1851 date letter and are possibly by Hermanus Ubbes Groenier who worked in the Noordbroek area. All spoons are marked with all 4 hallmarks.
All with prominent drop and pip and pronounced upturned ends and central ridge. The 6 tablespoons weigh 331g.
One spoon a tad longer. If cheaper, we will send for the cheaper amount. The item "Antique Dutch Set 6.833 Sterling Silver Tablespoons 1851" is in sale since Thursday, October 11, 2018. This item is in the category "Antiques\Silver\Sterling".
The seller is "madamsteptoe" and is located in Kaleen, Australian Capital Territory. This item can be shipped worldwide.