The block in which the above post is included has a merkle root of 522f4ef603fa77f64ee9c139544dea37c7f9a477.
To find the winner we:

1. Convert the merkle root into base 10:
   522f4ef603fa77f64ee9c139544dea37c7f9a477 = 469192256704938911448152115932520545483711161463.
2. Compute the residual after dividing by the number of tickets: 469192256704938911448152115932520545483711161463 mod 1521 = 440.
3. This is the winning ticket, held by @billyfudd.

Congratulations!