Antique Flatware 6 Large Serving Pcs 830 Silver Norway Marked 830S OPPHØYET ROSE

Description

Antique Flatware 6 Large Serving Pcs 830 Silver Norway Marked 830S OPPHØYET ROSE
You are bidding on 6 ornate serving pieces of the same pattern. The top back of each piece bears the date of 11/3/22 (just a little shy of 100 years old)
They are all marked 830S NM
The "NM" mark, often present in Norwegian silver, is the abbreviation of "Norskt Mönster" meaning Norwegian pattern. It is a kind of a copyright mark for Norway.
The name of the pattern  OPPHOYET ROSE was information received from another well established ebayer. PLease use your own expertise in determining the pattern identity.
The pieces
ARE
monogrammed  with the letter "A"
PIECES INCLUDED
(I am not certain as to the formal names of these pieces. The list below is a basic description. But please see my pictures which are part of the description and the actual pieces you will receive)
(2) Spatula/Serving pieces
(1) Gravy style ladle
(1) Cake cutter style server
(1) Serving fork
(1) Strainer
The total weight is a substantial 373.8 grams (12.02 ozt)
UPDATE:
ANOTHER EBAY MEMBER WROTE:
maker's name: TH MARTHINSEN, TONSBERG NORWAY C1914-1930S
PATTERN: OPPHØYET ROSE (OPEN ROSE)
NM MEANS NORSK MØNSTER WHICH MEANS NORWAY MADE
PLEASE ALWAYS USE YOUR OWN EXPERTISE