Czechoslovakia 1971 Plants Stamp April 10, 2024FarhanCzechoslovakia, Flora and Fauna, Flowers, Plants, Special Collections and Events, Special Releases, stampAdd comment Issue: Czechoslovakia 1971 Plants Stamp Type: Stamp Number of Stamps: 2 Stamps Denomination: 60h Issue Date: 1971 Issued By: Czechoslovakia Postal Service (USPS)