There is no 1873 wheat penny. It is an Indian head penny.
The first US wheat penny minted was the regular 1909.
It's not a wheat penny. Wheat cents were issued by the US, not Canada. Aside from that, it's worth about $0.25 U.S.
If it's not a Wheat penny, it's not a US coin. A lot more information is needed, post new question.
The only penny being produced by the US Mint in 1885 was the Indian Head penny. Wheat pennies were not produced until 1909.
The 1956-D Us ***Wheat*** penny is worth about 10 cents at best.
North Dakota is ranked 2nd behind Kansas in total wheat production
The Lincoln Wheat cent wasn't introduced until 1909.
The mid west
"Staw Penny" refers to an old US penny with wheat on the back, which was the design through the 1950s. Current pennies have the Lincoln Memorial on the back.