Berks or Schuylkill County ?
from the Historical Society of Berks County. Mr. Francis Grosch, who operated a resort in Schuylkill County, built the "Mt. Sunset House" in 1876. The resort had accommodations for 200 guests. But Mr. Grosch, who was a stone mason by trade, preferred his trade to the operating of a summer resort. Thus after several years, the management was left to his son-in-law, Dr. Donald Moyer, a local practicing physician. After his death in the 20's the resort was sold to Mr. George Gaul, who for many years was secretary of the Grand-View Sanatorium. Under the management of both Dr. Moyer and Mr. Gaul the resort was well known for its view of the sunsets and also for its Sunday duck dinners.
more
http://www.berkshistory.org/articles/southmountain.html
1906 postmark
from the Historical Society of Berks County. Mr. Francis Grosch, who operated a resort in Schuylkill County, built the "Mt. Sunset House" in 1876. The resort had accommodations for 200 guests. But Mr. Grosch, who was a stone mason by trade, preferred his trade to the operating of a summer resort. Thus after several years, the management was left to his son-in-law, Dr. Donald Moyer, a local practicing physician. After his death in the 20's the resort was sold to Mr. George Gaul, who for many years was secretary of the Grand-View Sanatorium. Under the management of both Dr. Moyer and Mr. Gaul the resort was well known for its view of the sunsets and also for its Sunday duck dinners.
more
http://www.berkshistory.org/articles/southmountain.html
1906 postmark