Portmeirion botanical garden manufacturing began in 1972, so pattern can be considered vintage, however it is still in production, at a VERY expensive price!  This set has Primula Villosa (Blue Primrose) and Bellis Perennis (Daisy) on the oil decanter and Viola Hybrida (Pansy) and Cyclamen Repandum (Ivy Leaved Cyclamen) on the vinegar decanter.  Bottom maker mark reads, "Botanic Garden, designed by Susan Williams Ellis, Portmeirion, dishwasher, microwave, freezer safe, oven to table. Please see our other listings of same pattern. This sells for approximately $50 on competitor websites.

Measurement is approximately 9 1/2 inches high.