www.computer-stamps.com

topical philately

2001 - China (Macao) postage stamps

Issue: Internet, e-trade 4v

Subject binary code, magnetic ink characters, font

stamps China (Macao) - 2001
This is an online philatelic collection on computer science
view other stamps
from China (Macao)


on internet

on binary code

on characters-MICR





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