On offer 6 (New Old Stock) dark navy nearly black buttons. Photo 4 shows it on a 'normal' navy fabric. Photo 5 shows it next to a black button I have. There are no marker’s marks:

Material–Plastic

Size–20mm

Colour–Navy, so dark they look black in certain lights

Age–Unknown, not recently made.

Condition: In good old stock condition. They have never been used and have been stored in their original storage tube. Original storage tube not included.

I am downsizing my button collection and therefore selling loads of unused vintage buttons. If buying multiple quantities; any excess postage will be refunded. 

Please contact me if you have any queries regarding my items.