Measures 5/8" in diameter.
Huesken Number: 8742a
c2010 Huesken Catalogue Price: €40
Maker mark: Schmidhaeusler from Pforzheim
Airmail Worldwide (outside of Europe): US$6.50
Surface Mail Worldwide (outside of Europe): US$5.50
Airmail Europe (outside of the UK): US$5.50
1st Class UK: £1