Yeah, I thought it looked exactly like a Benjamin Titan.
Here's the Diana 250 I should of bought back in the day for $450 off topic I knowhttps://i2.wp.com/www.bike-urious.com/wp-content/uploads/Ducati-Diana-250-Right-Side.jpg
Ran across the chrony number on the .22 D250. The catalog says 740fps. My numbers were: Hobby 11.9 grs 5 shot avg. 794Miesters 14 grs " " " 771Sovereigns 15.9 grs " " " 642