Introduction
My blogs
| Introduction | This is an exhibition of my Chemistry on Stamps collections. Classification: History, Chemistry of Life, Chemistry for Life, Green Chemistry, Medical Research, Pharmacy, Industrial Chemistry, Petroleum Chemistry, Mineral Chemistry, Prominent Chemists, Chemical Education, Chemical Elements, Chemical Structure, Chemical Molecule, Chemical Formula, Instrument and Apparatus, Glassware. Content : stamp, bank note, gold bank note, silk stamp, silk envelope, golden stamp, silver stamp, silver coin, tax stamp, revenue stamp, seal stamp, stamp on stamp, misprinted stamp, perfin stamp, proof, specimen, aged stamp, rare stamp, prestigious stamp, odity stamp, chocolate card, match box cover, die proof, stock, invoice, check, money order , autograph stamp, first day cover, revenue cover, cancel, meter, perfin. |
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