No pics provided, but there is a pic of this rare PTO here:
http://48cj2a.com/images/pto/Rhino/rhinowwarnod.jpg (it is mounted to the back of a Warn adapter that is mounted to the back of a Warn overdrive). The photo is from this great page for viewing different PTO options: http://48cj2a.com/PTOs.htm.

Here is another photo example from a different page that also includes a rebuild of a Rhino PTO: https://tantel.ca/Rhino%20PTO_2.html

And now for the Craigslist ad:

https://minneapolis.craigslist.org/wsh/pts/d/marine-on-saint-croix-rhino-pto-willys/7131133036.html

“Rhino PTO transmission for a Willys Jeep. Very rare. Needs bearings. Other willys parts for sale. $800 B/O Trade.”

Seller has a truck load of parts left over from a restoration.

https://stlouis.craigslist.org/pts/d/union-1942-era-jeep-parts/7127390820.html

“I have a pickup load of parts left over from renovating a1942 WWII Jeep. While not a complete list, the parts include:
• 2 F Blocks
• 1 L Block
• 3 flywheels
• various oil pans, pistons, crankshafts, valves, carburetor
• set of bows for canvas top
• Radiator
• Brake drum, new
• 5-gallon “Jerry” gas can
• Governor
• 2 sets brake shoes, new
• Guages, some used, one new
• Steering box spindle, new in box
• Various spare parts and left-over cables not used from new 6-volt wiring harness
• Horn Bracket
• 4-Manuals, Parts, Technical, Maintenance
Parts can be delivered for a reasonable fee within a reasonable radius of Union, Missouri. Fork lift available to load on your vehicle. Parts are on pallets. Condition varies from used to new. Blocks andHeads have not been Magna-fluxed.”

Seller has a variety of things.

https://topeka.craigslist.org/pts/d/tecumseh-ford-gpw-parts/7120833736.html

“Ford gpw body, frame with a 94000 range serial number, fenders, steering column, theres a sheller steering wheel that some one began fixing with epoxy, windshield frame, transmission case, shifter top and tcase from a cj2a, also have a military 1/4 ton trailer frame with an acm number of 146858, looking to sell as a lot for 1200, for another 150 I can throw in an axle and a good set of springs for the trailer, please call or message with questions, thanks”