Zinc is used in contemporary pipe organ building as a substitute for the classic lead/tin alloy in pipes sounding the lowest (pedal) tones, as it is tonally almost indistinguishable from lead/tin at those pitches, ...
identified as such in reference to specific coins, it it my contention that there are a number of causes of Weak Strikes; that the Die Adjustment Strike is just one of several forms of Weak Strike, all with the same effect that is indistinguishable ...
In addition to the coins certainly struck at Carthage itself there are a number of others, indistinguishable in style and type from the undoubted Carthaginian issues, which from the fact of their frequent occurrence in Spanish Finds, ...
It can be argued that within this backdrop of mostly indistinguishable types, exceptions would be far more pronounced.
Richard Henry Linderman (a true numismatic rascal whose personal credo may have been, "What's in it for me?") pointed out that the goloid metric alloy looked just like silver, was indistinguishable from the standard silver alloy, ...
- There has been an "inflation" in the grading of prooflike coins, and while years ago a coin described as DMPL would be virtually indistinguishable from a Philadelphia Mint Proof, this is no longer the case.
This early Eastern mint can hardly be Antioch, as the style is so clearly different from the later Antioch issues, which on the other hand are indistinguishable from the tetradrakhms and surely come from Antioch.
The rim detail, engraved relief features are all but indistinguishable and any images are no longer sharp. These coins inevitably find their way to the foundry for melting unless they happen to have numismatic significance.
PROBLEM: Many feel that the current grading system places premium values on differences that are virtually indistinguishable.
Assuming this to be the case, the number of different positions would be very large with many nearly indistinguishable. Not a very collectable situation.
The following examples show just three variations.
 See also: Silver, Coin, Mint, Point, Numismatic
  
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