Antique Advertising Celluloid Perpetual Calendar for San Francisco Life Insurance high quality Company

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