A big thank you to Karen from ‘Restyled Vintage’ for the image; you can visit her Etsy store here!
— Pattern (unofficially, pattern name unknown):
Tartan (produced specifically for the New Zealand market)
— Common Backstamp:
2.75 litre Oblong Casserole
3.75 litre Chicken Casserole
1.25 litre Divided Dish