Advice please
SG has this stamp valued at 25 pounds sterling used (48 sterling mint).
Would the addition of it being on piece / postcard, with a nice cancel increase its value?
SN: (15-14) SG 2198
Title: 1964 Peonies (Wei Purples)
Value: 43 fen
Size: 26.5*36 mm
Also Scott value anyone?
TIA
