Alert 03
- Brand: Alert
- Fruit: Oranges
- Packing House: Sacramento-San Joaquin Land Company
- City: San Francisco
- County: San Francisco
- State: California
- Scarcity Rating: Uncommon
- Price Opinion 11/2012: $45
- Image Donor: Dirik von Oettingen
- Printer's Inscription: SCHMIDT LITHO. CO. 158
- Comment: Overprint on Schmidt stock label 158