28,264.85 kHz
ITU 8|CQ 5|GRID FN20gg

Reverse:

Full-data card with personal note in 11 days for English language report, SASE and souvenir postcard. Address per QRZ.

28228.5 kHz
Loc FM29
4 Watts, 1/4 Vertical @ 20′

Full-data card and personal note in 68 days for English language report, mint stamps, envelope and address label. Address per QRZ.com.