Very nice. A quintessential Parker Bros.
But, point of order, with the plain extractor it is a Quality VH, not a VHE.
Here is the Quality V.H. page from the circa 1901 Parker Bros. catalog that introduces the automatic ejectors.
Quality V.H. Ejector Catalog.jpg
Note at that time they didn't carry this entry-level quality in stock with ejectors.
No one can tell you over the internet what ammunition may or may not be safe in a given shotgun. That requires hands-on inspection by a qualified smith with the proper tools and knowledge. That said, a sound 2-frame 12-gauge should be able to handle any SAAMI spec 2 3/4-inch lead loads. Whether one wants to subject 122-year-old wood to the recoil forces of high velocity 1 1/4-ounce loads is another question.