So does Geof Mansfield, of New Lambton Heights. Which is why he delved into the remarkable similarities between Arnott's iconic logo and the logo of an American biscuit company that existed in the 1890s.

The parrots on their perches in the two logos look almost identical.

The American Biscuit and Manufacturing Company used its logo from 1890 to 1898.

It then merged with the New York Biscuit Company to form the National Biscuit Company - now known as Nabisco and one of the largest bakeries in the world.

"The popular history of Arnott's suggested the parrot logo came into being around 1888, just a couple of years before the American company started," Geof said.

Arnott's has said previously that it registered the parrot logo in 1888 and trademarked it in 1907.

William Arnott migrated from Scotland, set up a bakehouse in Morpeth in 1850 and began baking sourdough bread. In 1865, he established William Arnott's Steam Biscuit Factory in Cooks Hill and began baking biscuits and cakes.

Arnott's website states that William Arnott was "gifted a colourful macaw parrot by a ship's captain" on return to Australia from a visit to his native Scotland in the 1870s.

The bird would become the "face of Arnott's biscuits for more than 150 years and counting".

"Arnott's famous parrot was originally drawn by William's daughter-in-law, who had a soft spot for the biscuit-loving bird," the website said.

In a media release in 2015 to mark its 150^th anniversary, Arnott's said the daughter-in-law, Miss Leslie Arnott, "drew a sketch of a Mexican parrot given to William by the captain of a Newcastle coal fleet".

"In the sketch, the bird sat on a pole and ate a biscuit. The actual bird lived until 1918," the release said.

Geof came across the logo similarities five years ago when he bought an old box from an American antique shop.

"I thought it was an Arnott's box. It turned out it was the American Biscuit and Manufacturing Company cracker box with the 'Arnott's logo' on it," he said.

"On the box it says 'trademark registered'. This box existed somewhere between 1890 and 1898."

Topics wonders whether there was ever a legal dispute over the logo.

Elermore Vale's Elaine Davis sent us a "precious photo" of her dad, Jack Cubis.

"As Dad was born in 1910, this photo was probably taken about 1912. Most likely the Milk Arrowroot biscuit was given to him as a distraction," she said.

"He grew up in Stanmore, Sydney, became a teacher, married Betty and became my kind, lovely dad. He finished his career as principal of Fennell Bay primary school."

What kind of biscuits fly? The plain ones.

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