Antique online Advertising Celluloid Perpetual Calendar for San Francisco Life Insurance Company

Antique Advertising Celluloid Perpetual Calendar for San Francisco Life Insurance Company. Beautiful online die cut with easel back. Graphics depicting California poppies and "The Spirit of the West" Miner with American Flag. 1910-1920. Excellent condition. 3 1/2 X 5 1/4 inches.