Overprint Issue Occasion: summary of the different overprint reasons
Increase In Sales Overprint: postage stamp overprinted to increase in sales
Exhaustion Overprint: postage stamp with seldom used face value overprinted for exhaustion
Office Abroad Overprint: postage stamp overprinted for the use in an office abroad
Occupation Overprint: postage stamp overprinted after a military occupation
Validation Extension Overprint: postage stamp overprinted to extend the validation (e. g. Ottoman Empire 1915 - 1916)
Category Change Overprint: postage stamp overprinted to change the stamp category (e. g. definitive stamp -> official stamp)
Habilitado Overprint: withdrawn postage stamp of spanish speaking countries over-printed to declare these again for valid
Inflation Overprint: postage stamp over-printed with a new face value because of inflation
Jubilee Overprint: postage stamp over-printed on the occasion of a jubilee (e. g. 100th anniversary of the kingdom of Wurttemberg)
Colony Overprint: postage stamp overprinted for the use in a colony
Rural Post Office Overprint: postage stamp overprinted for selling on commission in rural post offices (spanish: Campaña = Rural Post Office)
Specimen Overprint: postage stamp over-printed for the use as specimen to avoid postal use
Face Value Overprint: postage stamp overprinted with a new face value
Partly Face Value Overprint: postage stamp partly overprinted with a new face value
Face Value Differentiation Overprint: same-colour postage stamps with different vace values partly overprinted to avoid mistakes
Olympic Overprint: postage stamp overprinted on the occasion of olympic games
Phosphorus Overprint: postage stamp overprinted with an under ultraviolet light visible overprint on the occasion of operate a postmark machine
Postage Fee Reduction Overprint: postage stamp overprinted on the occasion of a postage fee reduction
Postal Statistic Overprint: postage stamp overprinted on the occasion of a postal statistic
Discount Overprint: postage stamp overprinted for sale under face value
Resello Overprint: withdrawn postage stamp of spanish speaking countries over-printed to declare these again for valid
Education Overprint: postage stamp overprinted for education of postal clerks
Security Overprint: postage stamp overprinted to avoid forgeries
State Visit: postage stamp overprinted for a state visit of an important personality
Form Of Government Change Over-print: postage stamps overprinted after the change of the form of government (e. g. kingdom -> people´s state)
Mourning Overprint: postage stamp over-printed after the death of an important personality
Independence Overprint: postage stamp overprinted on the occasion of a independence
Currency Reform Overprint: postage stamp overprinted on the occasion of a currency reform
Currency Changeover Overprint: postage stamp overprinted on the occasion of a currency changeover
Christmas Overprint: postage stamp overprinted on the occasion of christmas
Company Advertising Overprint: postage stamp overprinted with official or private advertising (e. g. coffee from Costa Rica)
Charity Overprint: postag stamp overprinted for charitable donation