eBay CategoriesChevronRightIconCollectibles & ArtChevronRightIconStamp 1948 Sonoma Mission Centennial Commemoration A little help haven't been unable to find/research this stamp, I believe it to be a Mystic stamp company issue 1948, but unable to find any information. Can anyone suggest a better way to research?sirsalealot904View listingsPosted 1 year ago·Last reply 1 year ago 1 commentComment Newestmelda58·1 year ago1093View listingsHere are others in the series all from one seller: https://www.google.com/search?sca_esv=f35f7c11fd1fb00c&q=%22International+Poster+Stamp+Association%22&udm=2&fbs=ABzOT_CWdhQLP1FcmU5B0fn3xuWpA-dk4wpBWOGsoR7DG5zJBsxayPSIAqObp_AgjkUGqengxVrJ7hrmYmz7X2OZp_NIwnMxMECdIPQVHL6Z2CVYxB8G8gZvHpiQaViV51z7dnWxt6L0X3SoYAntWbPMXlsILG45EN-nBmWxEXat38G9-poeXkD_ZrzEncv3nDsVw594F9RxJW5X7JKxudbmNFKjSHPMYA&sa=X&ved=2ahUKEwjjt6-Xhu-MAxWxLFkFHeaODnYQtKgLegQIEBAB&biw=1311&bih=529&dpr=1.04 Rita
melda58
·1 year agoHere are others in the series all from one seller:
https://www.google.com/search?sca_esv=f35f7c11fd1fb00c&q=%22International+Poster+Stamp+Association%22&udm=2&fbs=ABzOT_CWdhQLP1FcmU5B0fn3xuWpA-dk4wpBWOGsoR7DG5zJBsxayPSIAqObp_AgjkUGqengxVrJ7hrmYmz7X2OZp_NIwnMxMECdIPQVHL6Z2CVYxB8G8gZvHpiQaViV51z7dnWxt6L0X3SoYAntWbPMXlsILG45EN-nBmWxEXat38G9-poeXkD_ZrzEncv3nDsVw594F9RxJW5X7JKxudbmNFKjSHPMYA&sa=X&ved=2ahUKEwjjt6-Xhu-MAxWxLFkFHeaODnYQtKgLegQIEBAB&biw=1311&bih=529&dpr=1.04
Rita