POLAND (1951) Youth of different races*. Postal card (N) with multi-language message "Youth, Unite! Forward for Lasting Peace!"
AVAILABLE AT $12
POLAND (1962) Bee*. 40 gr illustrated postal card (N). Savings & Loan Cooperative.
AVAILABLE AT $10
POLAND (1987) Jan Dzierzon*. Bee*. 10 zt illustrated postal card (N). Discovered parthenogenesis in bees.
AVAILABLE AT $10