The biggest problem you have when searching is this: You are not looking in the areas where a doubled die will be found. Check out the sites to see what to look for on each design. It varies from design to design. Your are looking at the outside/inside edges of the devices. A doubled die that is worth note, affects many of the devices, not just one here and one there. On this series the doubled dies are in the centers of the devices. Not near the outer areas of the devices near the rims. For example, on the Obverse, the earlobe and the motto are at times showing the
DDO:
Earlobe area: What to look for on this area?

What is different on this area? Note the affected areas are raised above the field/design on these examples. Those are the first areas to search on the States and
ATB Quarters. Don't look for flat areas on these devices as that is
Machine Doubling. Look for raised areas on the design that match the hub that created that dies design.
The second area is the Motto area:

Note the image on the left first. That is all
Machine Doubling on that area. This is caused by the machine, not shaped on the die like that, but altered after the strike. That is affected on the outside and inside areas of the devices. That is not what you should be looking for as it was altered by the machine. (
Machine Doubling) But now note the image on the right side. Do you spot anything different on these devices? Note they are distorted in shape. That is what the
DDO area on this design would look like on this area. On the reverses, as I mentioned earlier, the design in the central areas will be where to look for the
DDR's on the States and
ATB Quarters. You need to look at sites to determine what to look for on these, it you want to find a
DDR. Do you know how many
DDR's there are on the incuse devices on the outer ring on the reverses of the
ATB Quarter? NONE. That is not where the
DDR's are found. It is a waste of time looking on that area. Know what to look for and you will find what you are looking for. Go to this location to find doubled dies for the different denominations:
http://doubleddie.com/228401.htmlFrom there you can select the choices of the
ATB Quarters:
http://doubleddie.com/719755.htmlChose the design you are want to look at and see if any are listed? Sometimes they won't be on the list if there is not a
DDO /
DDR found on that design. When you find the one you have check both the
DDO and
DDR listings to see what to look for. You will be shocked at how far away you were during your searches. IF you were going on a vacation to a location that you did know? Would you use a map to get to your destination? Same for searching for doubled dies, you need to see what to look for, rather than be grasping at straws to find anything. Look up the formation and you will save time/your eyes and be feeling a lot better when you find what you are really looking for. Hope this helps.
CoopHome:
Do I really need a plan of action for searching for doubled dies? What am I missing?