Manufacturer: N.S.P.
User: North Yorkshire Shipping Co. Ltd.
Date of Cup and Saucer: Unknown
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Notes: Shipping company based in London, England.
White body with green stripe, house flag with green field and black and white stylized rose.
For additional info:
https://www.crwflags.com/fotw/flags/gb~hfn.html#nys
Photos and ID contributed by reddygal