I have been bothering a friend in our Special Collections to get this.

He says it's boring because there's no dragons.

After explaining that this is one of the first maps to resist the urges to fill in the blank spots, I promised to add some color and draw in some dragons if he buys it for us.

-Jablonski
 It's probably good I'm not still a map librarian





https://www.bonhams.com/auction/27609/lot/12/the-most-important-18th-century-map-of-california-costanso-miguel-de-1741-1814-original-manuscript-map-of-coastal-california-signed-miguel-de-costanso-carta-reducida-del-occeano-asiatico-o-mar-del-sur-produced-in-conjunction-with-the-portola-and-serra-expedition/?utm_source=FB-IG&utm_medium=paid-social&utm_campaign=boa_collect_books_us-u.s.a_socia_fb%2Fig_10-oct-22-25-oct-22_27609_sts-us-col-sal&utm_content=sts


THE MOST IMPORTANT 18TH-CENTURY MAP OF CALIFORNIA.
COSTANSÓ, MIGUEL DE. 1741-1814.
Original Manuscript Map of Coastal California Signed ("Miguel de Costansó"), Carta Reducida del Occeano Asiatico ó Mar del Sur..., produced in conjunction with the Portola and Serra expedition,
EXPLORATION AND TRAVEL LITERATURE, FEATURING AMERICANA
25 October 2022, 10:00 EDT
New York

US$600,000 - US$800,000