Dartmouth Pottery famous fish gurgle jugs all stamped to the underside.
From left to right.
1) Not Dartmouth pottery. Blue metallic iridescent with gold base, No makers marks. Stands 13cm high x 9cm wide x 5cm deep.
2) Green Dartmouth pottery gurgle fish jug, stamped to the underside 'DARTMOUTH D'. Stands 10cm x 6.5cm x 3.5cm deep.
3) Green as above.
4) Multi coloured. Has a chip to the mouth rim hence it's price. As above.
5) Brown as above
6) Blue iridescent as number 1.