// Stamps
US 1933 50c Century of Progress Zeppelin (Scott C18)Verified
Last updated 13/10/2026
Market value · mint never hinged
$21
31 real sales · range $7.50–$50Verified
Price trendmonthly median sold price
LiquidityTrades often40 sold in 60 days
Last sold9d ago60-day median $23
Lowest buy now$1512 live listings captured
Key facts
✦ AI poweredAI-generated from public knowledge. A helpful guide, verify anything important.
Ungraded · SealedUngraded · Boxed
Real captured sales · monthly medians · hover a point
Mint Never Hinged$50$21$7.5031
Mint Hinged$36$22$1510
Unused No Gum$7.15$6.83$6.502
On Cover$50$41$373
Used$55$40$252
Unsorted$20$20$201
$22
$43
$6.50
$175
$55
$20
$23
$16
$37
$29
$25
$7.50No captured sales in this grade yet.
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Live listings
Current listings for this item,
priced against market value.
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Verifiedreal sold salesEstimatedmarket snapshotNo data yetnever an invented number
A note on prices.Every value here is an estimate, drawn from public sales data and third-party sources. It's a guide, not a valuation or an offer, and it can be incomplete or out of date. Check an item yourself before you buy or sell. Grailsnap can't take responsibility for decisions made on these figures.Market price data sourced in part from PriceCharting.
