The following postcards were found on various sites around the internet unless so identified.

Major's Motel was located between Bristol Highway, US 11W & Johnson City Highway, US 23; now Memorial Blvd. and Ft. Henry Dr.
ca. 1950

KRC

It is hard to tell if this is a drawing or a touched-up photo.  The time frame would have been late 1940s to 1950.

This photo was used on postcards from the late 1930s on, the finish is 'linen effect', seen on many postcards

This photo was used on postcards from the late 1930s into the 1950s, the finish is 'linen effect'.

This is now the Kingsport Library

A general view of Tennessee Eastman, ca. late 1940s, 'linen effect' finish.

Holston Valley Hospital, ca. 1950,
'linen effect' finish.

The Civic Auditorium, ca. 1950, 'linen effect' finish.

The Meade Corp., ca. 1945, 'linen effect' finish.