I have never heard of a , "touch mark," before. It looks like a brand.
*Maybe ",
Pick Axe Head West King Mining Railroad Farming Tool."?
2 part answer:
Part one: Touch Mark = Markers mark
Touchmark stamps are used by creators, blacksmiths, and artists to add a small signature mark to their finished pieces. The touchmark functions as an identifier or signature that proudly proclaims the creator of the pieces.
Steel touchmark stamps are ideal for creating this type of mark because they are durable - producing clear, crisp marks throughout their long service life.
Part 2: Pick axe and an Adze have entirely 2 different functional uses (one can argue that they could be used on either application for their intended design.
Now lets play the Sesame Street song game
Now the picture show of this little game
Now one other little thing
You can see the "SEARCH" icon in the upper right hand corner of the page
Write the word: TOUCH MARK into the search
Results: 24 pages on this site alone that has a reference of the query.
Just saying maybe it's time to expand the knowledge base.
Google images is indentured to EBAY descriptions that have bastardized over the past decade