2025 Washington DC Fountain Pen Supershow August 8th, 2025 I spent this last weekend at what is probably the largest pen show in the US&mdash;the Washington DC Fountain Pen Supershow . With four large rooms plus hallways full of vendors and a full lineup of workshops and seminars, there was a lot to see and do! I decided to drive to the show and thus was able to bring a lot of my swatches,…