Seattle World's Fair

Front:
CENTURY 21 SEATTLE WORLD'S FAIR SEATTLE + WASHINGTON + U.S.A. / APRIL 21-0CTOBER 21, 1962

Back:
To Radio.. Confirming QSO of At. P.S.T. Fone CW on UR SIG. R. Т. Xmtr AMATEUR RADIO Revr. Antenna... Pwr..... Remarks: Pse ! QSL. See you in Seattle at the Tnxs World Fair in 1962. 735 Op.