Heritage Auctions: Yabba Dabba Doo - The Art of Hanna-Barbera II! Animation Art Showcase Auction, 40314, Dallas

A Pup Named Scooby-Doo Scooby and Mumsy Production Cel Signed by Bill Hanna and Joe Barbera (Hanna-Barbera, c. 1988-91).

A Pup Named Scooby-Doo Scooby-Doo and Shaggy Production Cel (Hanna-Barbera, c. 1988-91).

A Pup Named Scooby-Doo Shaggy and Scooby Production Cel Signed by Bill Hanna and Joe Barbera (Hanna-Barbera, c. 1988-91).

A Pup Named Scooby-Doo Scooby Production Cel Signed by Bill Hanna and Joe Barbera and Animation Drawing (Hanna-Barbera, c. 1988-91).

Michael Jackson and Scooby Doo Presentation Cel/Pitch Art (Hanna-Barbera, c. 1990s).

"Purina Super Bowl Sweepstakes" Scooby-Doo and Friends Football-Themed TV Commercial Production Cel and Key Master Background (Hanna-Barbera, 1996).

Scooby-Doo on Zombie Island Scooby Production Cel Signed by Bob Singer and Animation Drawing (Hanna-Barbera, 1998).

Scooby-Doo on Zombie Island Shaggy and Scooby Production Cel Signed by Bob Singer and Animation Drawing Group of 4 (Hanna-Barbera, 1998).

Scooby-Doo on Zombie Island Scooby and Shaggy Production Cel Signed by Bob Singer and Animation Drawing (Hanna-Barbera, 1998).

Scooby-Doo on Zombie Island Scooby and Shaggy Production Cel Signed by Bob Singer with Animation Drawing Group of 3 (Hanna-Barbera, 1998).

Scooby-Doo on Zombie Island Shaggy and Scooby Production Cel Signed by Bob Singer (Hanna-Barbera, 1998).

Scooby-Doo on Zombie Island Scooby Production Cel Signed by Bob Singer and Animation Drawing (Hanna-Barbera, 1998).

Scooby-Doo on Zombie Island Scooby and Shaggy Production Cel Signed by Bob Singer and Animation Drawing Group of 3 (Hanna-Barbera, 1998).

Scooby-Doo on Zombie Island Scooby and Shaggy Production Cel Signed by Bob Singer and Animation Drawing Group of 3 (Hanna-Barbera, 1998).

Scooby-Doo on Zombie Island Scooby and Shaggy Production Cel Signed by Bob Singer and Animation Drawing (Hanna-Barbera, 1998).

Scooby-Doo on Zombie Island Scooby and Shaggy Production Cel Signed by Bob Singer and Animation Drawing (Hanna-Barbera, 1998).

Scooby-Doo on Zombie Island Scooby and Shaggy Production Cel Signed by Bob Singer and Animation Drawing (Hanna-Barbera, 1998).

Scooby-Doo and the Witch's Ghost Scooby Production Cel Signed by Bob Singer (Hanna-Barbera, 1999).

Scooby-Doo and the Witch's Ghost Velma, Scooby, and Shaggy Production Cel Signed by Bob Singer with Animation Drawing (Hanna-Barbera, 1999).

Scooby-Doo and the Witch's Ghost Scooby Production Cel Signed by Joe Barbera and Bob Singer and Animation Drawing (Hanna-Barbera, 1999).

Scooby-Doo and the Witch's Ghost Mystery Machine Production Cel Signed by Bob Singer and Animation Drawing (Hanna-Barbera, 1999).

Scooby-Doo and the Witch's Ghost Velma, Shaggy, Fred, and Daphne Production Cel Signed by Bob Singer and Animation Drawing (Hanna-Barbera, 1999).

Scooby-Doo and the Witch's Ghost Shaggy and Scooby Production Cel Signed by Bob Singer and Animation Drawing (Hanna-Barbera, 1999).

Scooby-Doo and the Witch's Ghost Scooby Production Cel Signed by Bob Singer and Animation Drawing (Hanna-Barbera, 1999).

Scooby-Doo and the Witch's Ghost Shaggy and Scooby Production Cel Signed by Bob Singer and Animation Drawing (Hanna-Barbera, 1999).