United Nations 8¢
$2-$8 used on cover — philatelic event cover with ORCOEXPO 1977 commemorative cancel; modest collector interest
Papal States ½ Baiocco
$150-$600 used; $300-$1200+ mint depending on margins and gum — one of the classic early Italian States issues; values vary widely by condition and expertization
United States 2 cents (x10 = 20 cents total postage)
$75-$250 — scarce 'Kicking Mule' favor cancel cover with Special Delivery and airmail usage; fewer than 500 known sent
Switzerland 5 Rp.
$100-$220
Money, Mississippi
$75-$200
United States 1¢
$40-$150 — value driven by the rare unlisted star cancel from Star, Nebraska; covers with matching thematic cancels command significant premiums from topical and postmark collectors
Correos Mejico (Mexico) Dos Reales (2 Reales)
$50-$150 mint/unused — classic 19th-century Mexican classic; used examples worth $20-$60; value highly dependent on gum integrity and any faults
United States 2 cents
$15-$50 for stamp alone; the CDV with intact proprietary revenue stamp affixed could bring $40-$150 as a photographic ephemera collectible
Every one of these started as a phone photo. Have something similar in a drawer? Photograph it and find out what it is — free, or browse the value guides and past weeks' finds.