Baltimore-Washington International Pen Show
The Baltimore/Washington International Pen Show is typically held the first weekend of March. It is organized by Bert Oser of Bertram's Inkwell in Rockville, Maryland.
The show originated at the BWI Airport Marriott in Linthicum Heights, Maryland. In 2017 the show was held at the Westin Baltimore Washington Airport in Linthicum Heights, Maryland. For 2018 the show was held at the Marriott Inner Harbor in downtown Baltimore, Maryland. In 2019 the show returned to the BWI Airport Marriott and will be held there again in 2020.