This question comes up fairly often and is a common misunderstanding. Silver eagles are bullion coins minted starting in 1986 and sold to collectors as investment pieces.
Your coin was minted for use in ordinary commerce and could be either a half dollar or a silver dollar. Please check the back for its denomination and look at the Related Questions for more information.
there weren't any notes issued in 1927
Check that series number again. The US did not print any $1 silver certificates (or any other $1 bill) with a 1927 date.
A certified example in MS-63 has a average retail value of $2,100.00
In poor condition, the only value is in its silver content. At current prices, it's worth about $2.50.
Average value in EF-40 is $44.00
The U.S. has never made a $20 silver coin. Look at it again and post new question.
The Mountain Eagle was created on 1927-05-23.
Silver Comes Through - 1927 was released on: USA: 29 May 1927 Finland: 13 November 1927
What you have is a Standing Liberty quarter, it is worth about $7 in worn condition and coins in better conditions can be worth $20 in fine to extra fine condition and about a hundred dollars in higher grades.
HOW MANY OUNCES OF GOLD ARE IN A 1927 ST GAUDENS $20 GOLD COIN?Design SpecificationsDesigner: Augustus Saint-GaudensGross Weight: 33.346 gramsNet Weight: .96750 oz. pure goldComposition: .900 gold, .100 copperDiameter: 34 mm, reeded edge.They are worth only the amount of BULLION plus a small premium. Coin dealers will usually only pay spot and then charge about a 4% to 6% premium should you wish to buy. On Feb 28, 2011 the coin is worth $1365 (spot gold at $1411/troy ounce). Expect to pay $1420 from a coin dealer. You can try offering him less knowing that he buys at spot. I would offer $1400.Note that these coins are called Double Eagles, not Eagles. At that time the term "eagle" was an actual coin denomination, worth $10, so a $20 gold piece was a double eagle. The new silver and gold bullion coins minted since the 1980s are called "American Eagle" coins as a marketing name, but they have nothing to do with the old eagle-denominated gold pieces minted until 1933.
Silver Valley - 1927 is rated/received certificates of: USA:Passed (National Board of Review)
Please check again and post a new question. The highest denomination silver coin in 1927 was $1. In fact, the U.S. never struck a silver $5 coin. There were $5 silver certificate bills but none are dated 1927.