A Stone bottle possibly for alohol containment.....marked P.Prannebecker( punch style identification is a science unto itself)....an i'm placing this one @ 1840 ....this is an early bottle as shown by its geo deformity......careless application of glaze.....and ANGULAR SUPPORT BLOCK LETTERS leaning closer to the 18th century......these punches were all but eliminated by 1850-70.....Avery proud item priced to undercut........some more recent damage shown in photo .....will have to be lived with....THANKS.