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Boulder Opal, Opalton, Qld.1.70 $ 2025  Australia Print: RA Printing
| Country: | Australia |
| Type: | Postage stamps |
| Series: | Australian Opals (2025) |
| Nominal: | 1.70 $ |
| Year: | 2025 |
| Material: | Tullis Russell 104gsm Red Phosphor |
| Perforation: | 14½ x 14 |
Australian Opals (2025)
Boulder Opal, Opalton, Qld. | 
Pineapple Opal, White Cliffs, NSW | 
Crystal Opal from Andamooka, South Australia | 
Dark Crystal Opal from Lightning Ridge, New South Wales | 
Yowah Nut Opal from Yowah, Queensland | 
Crystal Opal from Andamooka, South Australia | 
Dark Crystal Opal from Lightning Ridge, New South Wales | 
Yowah Nut Opal from Yowah, Queensland | |
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