2022-04-262022-04-261953https://hdl.handle.net/2152.3/1141230 stamp depicting blood transfusion, Mongolia, 1963<br></br><br></br>10c+5 stamp depicting blood transfusion, Netherlands, 1953<br></br><br></br>25c aero stamp depicting blood transfusion, Nicaragua, 1965Three stamps.Postage-stamp albumsStamp collectingMongoliaNederland (Netherlands)Nicaragua