About $700.00 if it is in excellent condition.
the difference between the highest value and the lowest value in your data
2,800
What's the value of a Thomas organ model#727 serial # 1230130
According to GEMM.com, from $2 to 6.50.
They sell for a couple dollars each on eBay.
The value of an Armstrong flute with a serial number of 7058438 varies depending on the actual condition of the flute. The flute might sell for as much as $150 or as little as $70.
10-10m
Unless it's brilliant uncirculated or proof, face value.
Anything minted in the 1970s is made of copper-nickel, not silver, and is only worth face value.
50-350 USD or so
At current exchange rates, about $2.
100-1000 USD
$300
$30.00 per dozen
What is a Louis Armstong autograph worth
i dont know much about brands but the avrage flute can cost from about 90 dollars (used) to about 20,000 new if the flute is gold platted or silver platted it could be worth a lot of money but if it is a normal flute used it may only be able to be sold for about $100
His work in the 1970s is considered the best to invest in, and some of those canvasses have sold for $400-$750. Works as recent as yours are not going to command as much, but would be worth holding on to. After his death, the price may go up.