• RGeneral / Documentary
• • First IssueScott R1-R102
  • Second IssueScott R103-R131
  • Third IssueScott R132-R151
  • Battleship EraScott R152-R287A
  • Dated Reds 1940-1947Scott R288-R485
  • Dated Reds 1948-1953Scott R486-R653
  • Dated Reds 1954-1963Scott R654-R734
• RBProprietary
• • Scott RB1-RB73
• RCFuture Delivery
• • Scott RC1-RC28
• RDStock Transfer
• • Stock Transfer 1918-1940Scott RD1-RD61
  • Dated Greens 1940-1946Scott RD62-RD208C
  • Dated Greens 1947-1952Scott RD209-RD372
• REWine
• • Wine 1914-1942Scott RE1-RE107F
  • Wine 1942-1954Scott RE108-RE204
• REFFermented Fruit Juice
• • Scott REF1-REF10
• RGSilver Tax
• • Scott RG1-RG132
• RHCigarette Tube
• • Scott RH1-RH5
• RIPotato Tax
• • Scott RI1-RI18
• RJTobacco Sale Tax
• • Scott RJ1-RJ11
• RJMMarihuana Tax
• • Scott RJM1-RJM8
• RKConsular Service Fee
• • Scott RK1-RK40
• RLCustoms Fee
• • Scott RL1-RL9
• RO-RUMatch and Medicine
• • Match A-GScott RO1-RO105
  • Match H-ZScott RO106-RO186
  • Canned FruitScott RP1
  • Medicine A-HScott RS1-RS140
  • Medicine I-ZScott RS141-RS277
  • Medicine 1898-1900Scott RS278-RS395
  • PerfumeryScott RT1-RT33
  • Playing CardsScott RU1-RU16
• RVMotor Vehicle Use
• • Scott RV1-RV53
• RVBBoating
• • Scott RVB1-RVB2
• RVCCamp
• • Scott RVC1-RVC10
• RVPGolden Eagle Pass
• • Scott RVP1
• RVTTrailer Permit
• • Scott RVT1-RVT2
• RXDistilled Spirits Excise
• • Scott RX1-RX46
• RYFirearms Transfer
• • Scott RY1-RY13
• RZRectification
• • Scott RZ1-RZ18

Scott RX4
10c Charles S. Fairchild - Yellow-green & Black - Inscribed "STAMP FOR SERIES 1950"

Rouletted 7 (BEP) 1950