Decade Of Confusion: 1990's Reverse Cents.

Decade of Confusion: 1990's reverse cents.
Ever have a nagging question in the back of your mind? Like when the the Multi hub dies and the Single squeeze dies change over? Doing a little research on coppercoins.com/ the 1990's cents have a change over during that decade. (Click on the links to see the discussion showing the needed information. This will show you what I'm taking about on this subject)
Sure you can go to the bottom and find the answer, but following the links will help you understand the answer better and will also train your eye on what to look for.
Even some of their listing are confusing. Some have different number for they doubled die classes. But starting at 1990 we see a different looking DDR appearing. Called a Class 4 Doubled die. What is that?

Note the wording of this class? "Additional Hubbing that is misaligned in an offset direction." So the listing for this year should be same for this years listing on the DDR on the columns.

1990 reverse cents
http://www.coppercoins.com/lincoln/...ie_state=mds
So the lines on the bays are what is the DDR. So these are not the single squeeze dies yet.
On the 1990p1dr003 listing:
http://www.coppercoins.com/lincoln/...ie_state=mds
We see a different area for the DDR on the floor on these building.

1991 reverse cents
http://www.coppercoins.com/lincoln/...ie_state=mds
We still see the DDR on the bays, not on the Class 9 affected on the center of the design yet.
http://www.coppercoins.com/lincoln/...ie_state=mds
The 002 has a different area affected, but still fitting the Class 4 doubled die reverses.

1992 reverse cents
http://www.coppercoins.com/lincoln/...ie_state=mds
Somewhat same thing, but other areas are affected, outside of the area that the single squeeze dies would be affecting. Again, Class 4 DDR's this year as well:
http://www.coppercoins.com/lincoln/...ie_state=mds

1993 reverse cents
Same thing going on with the DDR's for this year as well:
http://www.coppercoins.com/lincoln/...ie_state=eds
This one was listed as a Class 9, but it should be a class 4
http://www.coppercoins.com/lincoln/...ie_state=mds
(Confusion on the listings at the time because this listing was probably years later, they listed it as a Class 9, but should be a class 4. Why do I say that? The other bay to the right is showing the same off set hub doubling. If this were a Class 9, only the center bay would be affected. This site also at one time listed the Wavy steps as part of their number system. This to was unknown at the time. Later the listing still remain with warning that they are not DDR's
http://www.coppercoins.com/lincoln/...ie_state=mds

1994 reverse cents
Same Class 4 DDR's, so the single squeeze hasn't happened yet:
http://www.coppercoins.com/lincoln/...ie_state=mds
http://www.coppercoins.com/lincoln/...ie_state=mds
Shift in a different direction:
http://www.coppercoins.com/lincoln/...ie_state=mds
Other locations of DDR are still seen this year:
http://www.coppercoins.com/lincoln/...ie_state=eds

1995 reverse cents
Looks like the Single squeeze dies may have started this year. Note the location that is affected?
http://www.coppercoins.com/lincoln/...ie_state=eds
While there is only one listed that year, makes me wonder thought?

1996 reverse cents
http://www.coppercoins.com/lincoln/...ie_state=eds
For sure the Single squeeze dies are noticed this year. So we note the DDR on the single squeeze dies are on the center bay with the statue, most of the time.
1997 reverse cents
But they may have had both different designs for some years. So it maybe a case of both used on the 1997 cents:
Class 9:
http://www.coppercoins.com/lincoln/...ie_state=mds
http://www.coppercoins.com/lincoln/...ie_state=mds
http://www.coppercoins.com/lincoln/...ie_state=mds

Class 4:
http://www.coppercoins.com/lincoln/...ie_state=mds
http://www.coppercoins.com/lincoln/...ie_state=mds
1998 reverse cents
Same thing for the 1998 cents. So they may have changed over slowly, not totally at one time.

Class 9
http://www.coppercoins.com/lincoln/...ie_state=eds
http://www.coppercoins.com/lincoln/...ie_state=mds
http://www.coppercoins.com/lincoln/...ie_state=mds
http://www.coppercoins.com/lincoln/...ie_state=mds
http://www.coppercoins.com/lincoln/...ie_state=eds

Class 4
http://www.coppercoins.com/lincoln/...ie_state=mds

Class 2
http://www.coppercoins.com/lincoln/...ie_state=mds
Looks like more DDR's from Philly than from Denver.

1999 reverse cents

Looks like all the 1999 cents are the class 9 DDR's. So it was completely changed over in 1999, but some of both types of dies were used on the reverses on the 1997 and 1998 reverses.
Confusing, yes. But now we know when the reverse dies all switched over. Gradually and totally. New question? How about the obverses?

CoopHome: When did the reverse dies change from the multi hub dies to the single squeeze dies?