Pair Rare Antique Cast Iron Diesel MACK Truck Bookends / Doorstop - Signed!

Up for sale is a terrific antique pair of cast iron bookends or doorstops featuring a 3-D depiction of a truck.  I believe this is a diesel engine Mack truck from the rare other examples of these being sold.  But what is very unique about this pair is that one of the bookends has an artist signature as in the photo.  I can't make out the writing but it's definitely a signature.  I can't find another example of a signed truck bookend like this.  As you can see in the photos, they have some rust--one more than the other.  But these are very sound and I have have done nothing to try and clean the rust to keep them original--I'll let the buyer decide if they want to clean the rust.  Each one weighs a little over 4 lbs.  These are VERY collectable.  Please search what others are selling them for--and again one is uniquely artist signed!  My best guess is these date to the early 1940s.  I purchased them at an estate auction.

I'm happy to combine shipping for multiple purchases when it can be done in a way that keeps all items safe.

*Please note that my shipping time is up to 5 business days as I have multiple jobs and can only ship one day a week.  If you happen to purchase after I return from the post office on shipping day it will be a full week wait until I am able to ship again.  But most people will have a much shorter wait and some will have very fast shipping.  No one will have to wait more than 5 business days.  Thank you for understanding.