"Stratus" Standard Fountain Pen, a design by Adrian Olabuenaga, comes from ACME Studio's Standard Fountain Pens. The pen comes equipped with a medium tip fountain front section. Artist's signature is engraved on the cap band and "ACME" is on the clip. This pen comes in a tin signed by Mr. Olabuenaga in black marker. There is a limited number of these tins. Once they are gone, no more will ever be available for sale.