In 1898, Queen widow Emma of Holland grant Droste permission to use her royal crest. This tin is at least a second version of the original design made in 1920 and modified a number of times to 1940. The design on the sides is know as 'the Droste Effect." The nurse is reprinted on the Droste tin she is carrying on her tray. The 1920 version has the nurse on the cup. The Droste Effect implies infinity.Production ceased in 1940 when the German Army overran Holland and supplies became unattainable. Tin designed by famed commercial artist Johannes Mussett.Typical cocoa tin sold in Australia between WW1 and WW2. Droste still sell cocoa and chocolates in Australia todayHinged tin box . Highly decorated on all sides and lid. Front: Royal crest of Queen Widow Emma, taking focal point on pale green background. Rear: Commercial badge with 14 gold medals. Words Hamburg 1898, Hague 1898,Brussels 1904 Antwerpen 1901 Grand Prix." Both Sides depict a 3/4 length nurse with large head veil and white arm band on left arm, carrying in right hand, a tray with cocoa tin and white mug with red top band. Left side words "netto 1/4KG Cocao.. Right side words "For Eng. & colonies net 8 oz." Cocoa.Front and left side have words "Droste's Cacao" in large print. Front: words "Droste's Cacao N.V., Droste's Cacao & Chocolade Fabrieken, Haarlem, Holland." Lid had company logo centered with decorative patterns cooking, kitchen, tin, nurse, holland, cocoa, droste, parlor