This is a non dug Navy 1 piece button. This is just like the one in Alberts book. On page pictured on page 95 ans wrote up on page 96 Its NA 62 F. It has a great back mark reading Treble Gilt/Orange Colour. No need to trade this button up great gold guilt all the way around. The eagles breast looks a little worn. But displays very well.
Item number: CS511