Hi-
It has been a little bit since I saw one of these for sale but in the past they would sell in hobby auctions for about 200 or so. It might be worth more now, but probably not much over 300.
The above was my gut feel. I did a quick search and found one Goldin sold for 336.88 with BP so it might be a little better than I remember. Given the size and fragility of the paper, I am a bit surprised it doesn't sell for more.
https://goldinauctions.com/1910_chic...-lot30832.aspx
Alan