Malaysia Stamps - World Post Day 2021 - October 9, 2021

First Day Cover cancellation on cover, aerogramme and postcards issued by Pos Malaysia. Visited Pulau Pinang, Dato Keramat Post Offices in Penang Island; Taman Chai Leng and Bukit Mertajama Post Offices in Penang Mainland and Sungai Petani Post Office in Kedah. Issue date is October 9, 2021 but selling date and these postal canellations were done on October 11, 2021.