!st set:
Royal Crown Derby Imari Demitasse cup and saucer (2451), with Ring Handle
Non Matching Antique/Vintage Royal Crown Derby Demitasse cup and saucer (2451) with ring handle (see pictures).  There is some wear in the saucer, mainly where the cup sits.  The cup has a couple tiny discoloration spots inside the cup. The set is otherwise in very good to good condition. 
The saucer has the vertical England mark and the cup has the horizontal Made in England mark. I think the cup and saucer look good together as can be seen in the pictures.
There are no major problems like cracks, chips or major flaws in this set.  However, this cup and saucer set is old so will show signs or wear and aging.  Overall, however, this is an antique/vintage cup and saucer in very good to good condition for its age, but may have minor aging and use imperfections like light scratches, some trim wear and/or trim discoloration, tiny discoloration spots, and/or some crazing. 
The pictures speak for themselves.  Use the pictures and magnifying device to determine the condition of the cup and saucer set. 
The cup is about 2 3/8" across and 2 3/8" high.  The saucer is about 4 3/8" across.
 

The other item is a Royal Crown Derby Imari cup and saucer (2451) non matching set 
Non Matching Antique/Vintage Royal Crown Derby cup and saucer (2451) set (see pictures).  Both are 2451, saucer has Bone China in parenthesis in stamp and the cup does not have Bone China in the 2451 stamp (see pictures). Also, a small, round indent in saucer.  Otherwise, this set is in very good condition. 
There are some small discoloration spots in the cup, but no major problems like cracks, chips or major crazing in this set.  However, this cup and saucer set is old so will show signs or wear and aging.  Overall, however, this is an antique/vintage cup and saucer in overall very good condition for its age, but may have minor aging and use imperfections like light scratches, some trim wear and/or trim discoloration, tiny discoloration spots, and/or some crazing. 
The pictures speak for themselves.  Use the pictures and magnifying device to determine the condition of the cup and saucer set.  I think this set looks good.  The saucer has a 37 indent stamp.
I provide feedback to buyers after I receive feedback from buyers. 
The cup is about 3" across and 21/4" high.  The saucer is about 51/4" across.
 
For potential buyers, all ultimate shipping-related fees, such as duties and taxes (if required), are entirely your responsibility to pay.  The best way to save on shipping with me is to buy more than one item and get combined shipping.

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