Mid-19th Century Silver Cutlery With Alliance Coat Of Arms Mallet/oberkampf

Silver cutlery in the filet model, mid-19th century, with the alliance coats of arms of the Protestant families Mallet and Oberkampf under a baron's crown with a motto "recte et vigilenter" (Righteousness and vigilance) which is that of the Oberkampf.
This cutlery was created for Adolphe Jacques known as James Mallet, married in 1818 to Laure Oberkampf.
Compositions of this cutlery with the old man's mark (1818 - 1838) :
22 forks
22 spoons
1 ladle
Master silversmith: Widow Rivet born Victoire Josephine Godot received in 1832
Total weight: 4000 gr