Linen texture; white border; printed number 1572.
No postmark; card is unused and unaddressed. Divided-back linen-era card with 'MADE IN USA' imprint and small circular 'M' logo at bottom center; light foxing/soiling on the back. Front (context only) shows a white border and linen texture.
Cite this card
Polar bears at the zoo, Detroit, MI, circa 1930, postcard, c. 1930. PostalPast Collection. https://postalpast.com/postcard/polar-bears-at-the-zoo-detroit-mi-circa-1930. Accessed November 2, 2026.