This is a superb example of this Swan Self Filling Fountain Pen, this is the SM1/57 which was made in the UK and dates from around 1940.
The pen is finished in the rare and wonderful Blue, Grey and Bronze Marble with chrome filled trim. The imprint on the barrel end shows "SM1/57" The pen is in very good condition with light marks and scratches commensurate with use. There are no chips or cracks. The colours are clear and deep.
The No.1 Fine Flex nib writes smoothly and gives a lovely shape to your writing. The pen has been fully serviced and is ready to write.