A Fürstenberg part tea-service

A Fürstenberg part tea-service
Circa 1770, blue F marks, Pressnummer 3 to teapot, impressed No1 to sugar-bowl, one teacup with impressed H, the other teacup and two saucers impressed Bö
Each piece painted with garden birds on trees issuing from rockwork and with scattered gilt flower-sprays within gilt line rims, comprising:

A bullet shaped teapot and cover with moulded gilt scroll spout and handle (slight chip to tip of spout)
A circular sugar-bowl and cover, the cover with flower finial
Two teacups and saucers (one handle with crack to lower part and with an associated chip, wear to gilding) (4)