Imperforate (Imperf): Stamps uas tau txhob txwm luam tawm thiab tawm yam tsis muaj kev cuam tshuam, kom lawv dais ncaj ntawm tag nrho plaub sab.
Puas yog imperforate stamps muaj nqis dab tsi?
Raws cov nyiaj tsis zoo yog qhov qub thiab tsis tshua muaj, lawv feem ntau raug nqi siab hauvlub ntiaj teb ntawm philately. Qhov kim tshaj plaws yog cov ntawv tsis zoo uas tau txiav kom zoo nkauj thiab sib npaug ntawm plaub sab. Raws li koj pom, cov perforations yog ib qho tseem ceeb hauv kev txhais tus nqi ntawm lub stamp.
khub imperforate txhais li cas hauv kev sau nyiaj?
Imperforate nruab nrab ntawm: Cov sab nraud ntawm ob lub thwj cim yog perforated kom raug, tab sis perforations uas yuav tsum muaj nyob nruab nrab ntawm khub yog ploj lawm. … Philatelists siv tus naj npawb ntawm perforations kom paub qhov txawv ntawm cov luam ntawv sib txawv los yog cov teeb meem ntawm cov thwj cim nrog tib tus qauv.
Yuav suav li cas rau ntawm lub foob?
Peb siv lub ntsuas qhov perforation los ntsuas tus naj npawb ntawm cov qhov lossis cov hniav hauv ob centimeters.
- Yuav ntsuas koj lub thwj, tso rau ntawm qhov nruab nrab ntawm koj qhov ntsuas.
- Swb lub stamp nce lossis nqis kom txog thaum lub perforations ntawm lub thwj kab nrog cov qauv ntawm qhov ntsuas mus rau qhov ntev ntawm lub stamp.
Cinderella txhais li cas hauv kev sau nyiaj?
Nyob rau hauv philately, lub cinderella stamp yog"zoo li txhua yam zoo ib yam li daim npav xa ntawv, tab sis tsis tau muab rau lub hom phiaj xa ntawv los ntawm tsoomfwv tus thawj coj xa ntawv". … Lub sij hawm tsis suav nrog cov ntawv luam tawm ntawm cov ntawv xa ntawv.
