Upper part of etch is gold encrusted while part of it is left undecorated. Etch has geometric border with a floral triangular drop down below the border, giving the design a very deco flavor. 790 is the deignation for this etch with this particular gold encrustation. 791 & 792 denote the same etch with a gold border and with the entire etch encrusted, respectively. The same etching with silver is #690.
