When I see them on
ebay and they sell, it is for just a few dollars.
It will or may take me several days to dig out my Mosher and provide more detail.
Others here on SCF have a Mosher and may provide the information before I do.
Lastly I suggest you ask a moderator to change your title to, "Need Help About These Private Company Parcel Post Stamps." Additionally, the mod may move this to a better topic area. Use, "send a note to staff."