sorting lapidars ...

before exploring plate flaws or vars - I sort each item into groups or offsets ...

1  offset perforation / frame

2 offset of oval / frame

then relate to AFA specialised plates and or actual museum archives.

tofdata OF RF errors...

AFA specialised catalog 2016

a page from catalog shows plate data and example from each plate.

a guide ;  shades, cancel help locate

I prefix the plate numbers - M museum ; R recontruction and U unknown .

3.1

1889 unknown plate positions ...

this site enables the search based on parameters ...   and interacts with TOFDATA.   the AFA specialised catalog list all plates by year / number http://www.michaelappel.dk/

1893 letter to Odense ...

1886  39-A1-5 

PC 24ore rate d 24/11/u ...

66-A53-A58. (T. Willestofte)  full plate is unknown ...

Pressure	HG	Serie	Setting	From print shop	Likely		Takning	Ovalfarve	Frame color	Note
66	5	26	42A1 - 42B1	14/9 1893	1,03%		KII KIII
Reverse frame excl. pos. B88

1897 cover to Skrive LAP

4 øre Two-color print 82-85 with respectively. right rm. (5) and omv. rm. (1) on address letter for package canceled with lapidar Viborg d. 23.6.1897 to Skive.

plates 82-4 are only known as schematics ...

the OS are similar ...   plate 85-1-4 vs extract  no full plate is known, only block.