Vintage Chinese Teacups and Saucers Bundle 15 Piece Total Lot

Vintage Chinese Teacups and Saucers Bundle 15 Piece Total Lot

There are 7 turquoise teacups with matching saucers and 1 yellow teacup (no saucer)
So 15 pieces total

I am pointing to 3 issues
1 cup has a bit of blue color on the inside .. it looks like it was made like that
1 cup has a number on the bottom side of it (definitely made like that) so an error and another 1 has a number error on the inside of the cup.

No chips or cracks