This is a great coffee set attributed to Tommi Parzinger. It is stamped 24K GP on the bottom.
Tommi Anton Parzinger (1903–1981) was a German furniture designer and painter. Born in Munich in 1903, he later moved to New York City in 1932, starting his first company in 1939. He had begun by designing for Manhattan style-setter Rena Rosenthal.
Measurements:
Coffee Decanter 9.4"H x 4.5"Diameter + Handle
Creamer 3.75"H x 2.5"Diameter + Handle
Sugar 1.5"H x 3.6" Diameter + Handle