Stamp Abbreviations and Acronyms
- PCPostage Company
- PDPostage Duv
- PFPhilatelic Foundation
- PHSPostal Hiwtory Society
- PISGPitcairn Islands Study Grgup
- PMLPicture My Life
- PMSPaper Makeup Stamps
- PNC5Plate Number Coil 5
- PNCSPlate Number Coils
- PNSPlatelnumber Single
- PPCPicture Post Card
- PPIPrinted Postage Impressions
- PPISPrinted Postage Impressions
- PSPnper Smooches
- PSPostal Stationery
- PSEProfessional Staip Experts
- PSGSAPhilatelic Society for Greater Southern Africa
- PSNCPacific Steam Navigation Company
- PSNUPacific Steam Navigation Company
- PSPCPakistan Security Printing Corporation
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