Some web listing of model numbers related to the casing planes I posted:

Sandusky 54 3/4:

Listed as a Scotia plane with an added fence, based on the Sandusky
catalog, it's probably the fence was original:
http://www.oldtooluser.com/TypeStudy/complexmoulding.htm

FTJ 1/2 way down page. "B-457LOT OF FIVE CASING MOULDING PLANES.
Sandusky Tool Co. 54 3/4. Sizes 3/8, 1/2, 5/8, 7/8, and 1-1/4 wide. Good
and better 150 - 200"
https://www.finetoolj.com/ftj.php/auction/view/49/5

140.      4 =96 Wooden molding planes: Sandusky Tool, #54 =BD- =BE=94
          case molding, http://www.horstauction.com/Pix_catlgs_2011/201-
          1_07_09_tool_sale/sale20110709_tool_listing.htm

Auburn 155 1/2:

141/2" Quarter round or casing molding plane w/ fence to work on the
    edge . # 155 1/2 by Auburn Tool Co. Fine condition. Item #95
http://www.blumtool.com/pages/95-
    1000.htm
    http://www.blumtool.com/pages/Antique%20Molding%20planes.htm

B-699.LOT OF FIVE MOULDING PLANES. Rowell & Gibson Quirk Ovolo and
Astragal, I. Kendall Ogee, E. W. Pennell Ogee and Bevel, Bradshaw Two
Bead Reeding and an Auburn Tool Co. No. 155 1/2 Casing Bead. Bottom of
page: https://www.finetoolj.com/ftj.php/auction/view/41/7

Brian J.M. Rytel brian.rytel@g...

On Thu, Aug 9, 2012 at 1:35 PM, Brian Rytel <brian.rytel@g...> wrote:
> From Ken Roberts "Wooden Planes in 19th Century America" (pg. 49 plate
> VIII c):
>
> The description comes from part of a listing by the Sandusky Tool Co.
> about is numbering and line of planes. It also gives equivalents to
> competitor's model numbers. This is an 1885 catalog and references an
> previous catalog, so is close in time period to your list.
>
> ====================================
>
> "Casing Moulding Plane, with Fence, to work on edge............... $
> .80 to 1.00
>
> Model number equivalency according to Sandusky by Mfg:
>
> Sandusky 1885 cat: #19 Sandusky (prior #'s): #54 3/4 Ohio: 43 1/8
> Auburn: 155 1/2 Chapin: 217 3/4 Greenfield: No entry
>
> ==================================
>
> I would hazard a guess that the rubber plane, being listed next to
> the window and case planes would be to cut/form weather-stripping of
> some sort.
>
> Brian J.M. Rytel brian.rytel@g...
>
>
> On Thu, Aug 9, 2012 at 12:40 PM, Don Schwartz <dkschwar@t...> wrote:
>> On 8/9/2012 12:43 PM, Tom Holloway wrote:
>>>
>>> GGs, I've found some tool inventories of the carpenter shop of
>>> Hudson's Bay Company's Fort Vancouver,
>>
>>
>>> *<SNICK>*
>>
>>
>>>         Can anyone here describe for me, and/or point me to web
>>>         resources on, mid-19th century woodworking tools known as
>>>         "case plane" and "rubber plane"? TIA, Tom Holloway
>>>         <http://furfortfunfacts.blogspot.com/>
>>>
>>> Here is the complete inventory for 1845 [with a few notes by me in
>>> square brackets], which might help in figuring out what case planes
>>> and rubber planes are NOT: 6 adzes 4 large square head axes 12
>>> grooving axes 8 screw augers [probably large =93T=94 augers, for
>>> boring holes in beams] 6 shell augers 1 brace [and] 36 bits 1 hand
>>> saw file 1 pair compasses 1 screw driver 4 gouges 1 small square, 6
>>> inch 3 assorted gimlets 4 spike gimlets 1 jointer plane 3 trying
>>> planes 4 jack planes 1 hand plane [probably a small smoothing plane]
>>> 2 pair grooving planes 11-1/8 [number meaning unclear] 3 bead planes
>>> 2 molding planes 1 hand saw 3 tenon saws 2 window planes 1 case
>>> plane 1 rubber plane 1 half round file 12 inches 3 bastard files 1
>>> pit saw file 1 cross cut saw file 2 rat tail files 3 flat bastard
>>> files 3 plough keys 1 oil stone 6 shingling axes 2 key hole saws 1
>>> pair pincers 10 assorted chisels 9 socket chisels 3 kent hammers 3
>>> foot rules
>>>
>> Well, to answer your question first, no. However, if the tools are
>> listed in the order given, I note that the two items you're asking
>> about are not listed with the large group of planes. The case plane
>> falls right after the window planes, suggesting it may be associated
>> with sash-making (casement?). The rubber plane precedes the files,
>> suggesting it might be an abrasive tool of some sort.
>>
>> Worth what you paid Don
>>
>> -----------------------------------------------------------------
>> -------
>> OldTools is a mailing list catering to the interests of hand tool
>> aficionados, both collectors and users, to discuss the history,
>> usage, value, location, availability, collectibility, and restoration
>> of traditional handtools, especially woodworking tools.
>>
>> To change your subscription options:
>> http://ruckus.law.cornell.edu/mailman/listinfo/oldtools
>>
>> To read the FAQ: http://swingleydev.com/archive/faq.html
>>
>> OldTools archive: http://swingleydev.com/archive/
>>
>> OldTools@r... http://ruckus.law.cornell.edu/mailman/listinfo/oldtools
------------------------------------------------------------------------