Crown Lynn Potteries, collection of four trough vases, white slip-cast ceramic, comprising of a taller vase with flaring sides, C. 1948-55; two long ones with pinched sides, C.1950-55, and a shell-shaped one, C.1960's, all with printed factory mark and impressed shape number 44, 103, 509 and 597 to the bases, largest width 31 cm