The collection
Aviation photographs
1 photo records with images.

Another F-7M photograph: Chengdu-built Myanmar aircraft 1623 in a museum, not Iranian 3-7504. The historical record says Shenyang F-7M and remains unchanged; the donor source identifies its aircraft as Chengdu F-7M.
Chengdu F-7M
Myanmar Air Force
Photo: Ken Meegan (source credit); image watermark: Kenneth MeeganNaypyidaw - Defence Services Museum, Myanmar · February 19, 2019
Original record: Shenyang F-7M · Iran - Air Force · Tehran - Mehrabad International (THR / OIII)