Use Haxby 1859 Site To Identify Mystery 1859-S - 2

You're good so far...A scheme in Section 9 has the rest. Like everything else it gets easier with repetition. Pretty soon it will become second nature. To me looking at varieties in this way is what makes it really fun....

REV
F7

275 REV F3b OBV27

Yes to the die pair! The relevant piece of chart from Section 9 is:




As shown in the chart, the reverse punch in State 8 had a medium gap in Loop 7 (M1) and an original Loop 2, so dies from it became Rev. Group F. But when the punch progresses to State 9, two things happen: Loop 2 breaks and the gap widens slightly to M2. Its derivative dies can therefore no longer be Group F. Bottom line: medium gap sub-category M1 appears only on Group F. I don't pretend that all this is an easy concept to wrap your heads around! You might have to share some Tylenol with okie...

No. 25 tomorrow morning.

Haxby PC59-11

This is die 1a --which is known as a bridge die number 2

Note the triple G

This is the only definition I have
Quote
A "bridge die" in this context is a die used on both the 1859 narrow 9 reverse and the 1859 over 8 reverse. As you know Obverse and Reverse dies were replaced and used independently of each other, for example a given obverse may have been paired with 2 or more different reverses. In 3 cases that are known at present a given obverse was paired with at least one 1859/8 and at least one 1859 narrow 9.

Yes
Quote
PC59-1a1,This is the second of the three known "bridge" dies, which struck both 1859/8 and 1859 Narrow 9 cents. In this catalog it is designated Obverse 1a, while in his books Turner calls it OG3. Why use a different name? Careful die state analysis clearly reveals that this die was first used with the Narrow 9 reverse E2 and then the overdate die (Turner RD6) only later, making it unique among the bridge dies.