Lovely Old School Slate with Angled and Gridded Guides perched bird It's hard to convey scale

It's hard to convey scale in photos

based on others I have found with similar coloration and age

with some cover wear

and with the original instructions for teaching use included

Lovely Old School Slate with Angled and Gridded Guides perched bird It's hard to convey scaleI've bought and sold a lot of old school slates, usually attracted by the often mended (and best of all carved into) frames on very antique ones. In this case, though, it is the slate itself that sold me, one side etched with a grid, as one sometimes sees, but more unusually the other with angled guide lines of varying widths, designed for practicing cursive writing at just the right slant I believe, both in capitals and lower case. And that side