Hammer die

hammer die: The die that performs the striking action. See also anvil die.
hammer price: In an auction, the price the auctioneer calls the winning bid, excluding any additional fees the buyer may have to pay for the lot.

Hammer die - The upper die that is non-stationary. While usually the obverse, on some issues with striking problems, the reverse was employed as the hammer die.

hammer die
The upper die, usually the obverse - although on some issues with striking problems, the reverse was employed as the upper die.
Hao
A secondary currency unit of Vietnam, worth 10 xu or 1/10th of a dong.

hammer die - The hammer die is the top die used when striking coins. However, years ago this was done with a hammer. See "anvil die".
head - The obverse or front of the coins. Usually features a portrait of someone, so call this the head side.

Hammer Die
The upper DIE which descends to STRIKE the PLANCHET in the coining chamber.

The hammer die (top die) was placed on top of the coin and struck with a hammer. See "hammer die" and "die". annealing - the process of heating coin blanks (planchlets) in a furnace to soften the metal prior to striking coins out of them.

obverse die is called a hammer die, and that is the part in the press that moves
up and down with a force in excess of 37 tons per square inch (minimal pressure
to strike a one cent coin).  The anvil die will not fit in the hammer die's ...

When the coining chamber is functioning properly, a planchet is fed into the collar die, and on top of the anvil die, awaiting the strike of the hammer die. The thing to remember about "outside of the collar" strikes, is that the collar die "floats.

The die cap, which is still stuck to the hammer die will continue to strike brockage coins and will become more and more dished in shape until it finally breaks free of the hammer die and exits the press.

A die cap is caused when a struck coin sticks to the upper hammer die. Once the coin is stuck to the die face, the reverse of the struck coin becomes the new die face.

(We use the reverse side because the obverse die is the hammer die. It applies the pressure to the reverse die.) The fine detail should be missing, lines in leafs will not show.

The term comes from when the die was placed on an anvil with the coin blank (planchet) on top. The hammer die (top die) was placed on top of the coin and struck with a hammer. See "hammer die" and "die".

the reverse - although on some issues with striking problems, the obverse was employed as the lower die. Because of the physics of minting, the fixed lower-die impression is slightly better struck than the upper-die impression. See also hammer die.

At the mint the blank disks would be placed on a lower stable, anvil die, then an upper, hammer die would strike the blank with a great force impressing the engraved images from the dies into the blank producing a coin.

chamber consist of the lower die or anvil (usually the reverse), the upper die or hammer, the collar and the feeding fingers. The anvil or bottom die remain stationary during striking and only moves when the coin is being ejected. The hammer die is ...

See also: Coin, Reverse, Revers, Struck, Strike