E-X is the acetate line, and it is the most collectible branch of the SkyBox family. The football run opened as SkyBox E-X2000 in 1997, became E-X2001 in 1998 and E-X Century in 1999, then continued under Fleer branding as Fleer E-X into the early 2000s. The design language never changed much: translucent acetate over a die-cut background, tiny two-card packs at a premium price and an Essential Credentials print ladder that produced some of the scarcest football cards of the period.
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| Brand | SkyBox, later Fleer |
| First year | 1997 |
| Release window | Autumn of the season year |
| License | NFL licensed; E-X2000 1997, E-X2001 1998, E-X Century 1999, Fleer E-X through 2004 |
| Box formats | Hobby box, retail box, sealed case |
| Guaranteed hits | None in the 1990s; autographs and memorabilia seeded in the Fleer E-X years |
| Typical sealed hobby box range (Aug 2026) | Roughly $200 to $500 for the 1990s; $150 to $400 for the 2000s |
The debut configuration is 24 packs of just two cards, which tells you everything about the pricing model: acetate was expensive and the cards were sold as objects rather than by volume. Insert seeding is published: Star Date 2000 at roughly one in nine packs, Fleet of Foot at about one in twenty, Autographics at about one in sixty and A Cut Above at roughly one in 288 packs. A 24-pack box therefore has no realistic chance at A Cut Above.
The second year keeps the small-pack structure and adds the Essential Credentials program in Now and Future versions, alongside the Star Date 2001 insert. This is the most sought-after box in the line because Peyton Manning and Randy Moss appear inside a set where the scarce parallels are numbered in the low double digits.
The final SkyBox-branded year carries the same acetate identity with an updated design and the deepest rookie class of the three, headed by Ricky Williams, Edgerrin James, Donovan McNabb, Daunte Culpepper and Torry Holt.
The line continued under Fleer branding into the 2000s. The 2001 configuration is 24 packs of four cards over a 140-card base set, with E-Xtra Yards and Constant Threads inserts, rookie autographs at roughly one in ten packs and turf team cards at about one in 240. Distributor pricing on that box has been listed around $345. The 2004 edition is the last.
Cases are scarce across the run. Because a single Essential Credentials card can be worth many multiples of a box, a factory-sealed case is the only configuration that removes search risk entirely.
| Year | Sealed hobby box range (Aug 2026) | Configuration | Why it trades |
|---|---|---|---|
| 1997 E-X2000 | $250-$550 | 24 x 2 | Debut acetate year; Gonzalez, Dunn, Plummer, Dillon; A Cut Above at 1:288 |
| 1998 E-X2001 | $300-$650 | 24 x 2 | Peyton Manning and Randy Moss; Essential Credentials Now and Future |
| 1999 E-X Century | $200-$500 | 24 x 2 | Ricky Williams, Edgerrin James, McNabb, Culpepper, Torry Holt |
| 2001 Fleer E-X | $200-$400 | 24 x 4 | Brees, Vick, Tomlinson; rookie autos about 1:10 packs |
| 2004 Fleer E-X | $150-$350 | Hobby | Final year; Roethlisberger, Rivers, Manning, Fitzgerald |
1998 is the year that carries the line. Essential Credentials Now and Future run complementary print ladders in which a card's print run is tied to its checklist position, which means certain cards from the set exist in single-digit quantities. An Essential Credentials Future Manning or Moss is a genuine trophy card, and that possibility is what sealed 1998 boxes are priced against.
Sold data across the whole E-X run is unreliable and should be described as such. No mainstream price guide indexes these sealed boxes, public sales appear a handful of times a year for any given issue, and the spread between two sales of the same box can be very wide depending on whether an Essential Credentials chaser is in the room. The ranges above are corridors from dealer asking prices and scattered results, not a market quote.
Essential Credentials is the defining mechanic. Rather than a fixed print run, the parallel ladder ties scarcity to checklist number, producing a set where some cards are relatively obtainable and others are almost impossible. Now and Future versions run in opposing directions, which is why the two versions of the same player can differ enormously in price.
Around that sit the tiered inserts. In 1997 the ladder ran from Star Date 2000 at roughly one in nine packs through Fleet of Foot at about one in twenty and Autographics at about one in sixty to A Cut Above at roughly one in 288. Those published odds are unusually useful, and they make clear that a single box is not a realistic route to the top tier.
The acetate construction is the other thing to understand. Acetate scratches, yellows and shows edge wear, so high-grade E-X cards are far scarcer than print runs imply, and a strong pull may not survive grading at the level the box price assumed. That risk cuts directly against buying boxes as a rookie-card play.
This is the branch of the Fleer family where a sealed box has a genuine ceiling, and it is also the branch where the odds are longest. Twenty-four packs of two cards is forty-eight cards, most of which will be base acetate of players nobody collects. What you are buying is a small chance at an Essential Credentials card or a top-tier insert.
The scarcity argument is honest here in a way it is not for junk wax. Acetate production was expensive and print runs were low; only three SkyBox-branded years exist and the Fleer years that followed were also modest. Fleer folded in 2005 and Upper Deck's NFL license ended after 2009, so the supply is permanently fixed.
If you want a specific card, buy the card. If you want to own sealed wax from the most design-forward football product of the late 1990s, the 1998 box is the right one and you should expect to pay for it.
E-X is close to the ideal searching target: tiny packs, high per-card value, and a box price that is small relative to a single Essential Credentials pull. Treat every raw sealed box as though it has been examined by someone who knew exactly what they were doing.
Check the outer wrap for thickness and seam placement, since factory film hugs the corners with seams tucked under an edge and replacement shrink is thicker with a seam across a flat face. Count packs against the configuration for the year, look for uniform pack height and shimming, and inspect pack seams closely; two-card packs are thin enough that a slit and retape is easy to hide and easy to find if you look at the seam edge-on under light.
Third-party authentication in the BBCE style is strongly recommended for all three SkyBox-branded years. Authenticated boxes trade in a clearly higher band than raw sealed ones, and given the value concentration in this product, that premium is usually the cheapest insurance available. Weighing packs is not viable: acetate cards and inserts are close in weight and a two-card pack gives you no signal at all.
Supply is thin and mostly held by dealers who have had it for years, so start with the card shop directory and ask specifically rather than browsing. Card shows with premium 1990s dealer rows are where these boxes surface, and inspecting the pack seams in person is worth the trip. Online, name the exact issue:
No. The SkyBox-branded years were 1997, 1998 and 1999, the line continued as Fleer E-X into 2004, and Fleer folded in 2005. Upper Deck, which acquired the brand, lost the NFL license after the 2009 season.
They are consecutive annual editions of the same line: E-X2000 in 1997, E-X2001 in 1998 and E-X Century in 1999. The acetate design and small-pack format carry through all three.
Essential Credentials is the line's parallel program, issued in Now and Future versions whose print runs are tied to checklist position, so some cards exist in single-digit quantities. They are the most valuable cards in the product.
Roughly $300 to $650 depending on condition and authentication. Sales are infrequent and the spread is wide, so that band is a corridor rather than a quote.
The 1997 through 1999 boxes are 24 packs of two cards. The 2001 Fleer E-X box moved to 24 packs of four cards over a 140-card base set.
Often not. Acetate scratches, shows edge wear and can yellow, so high-grade examples are much scarcer than print runs suggest and a good pull may not grade as well as the box price assumed.
Prices in this guide were last reviewed 2026-08. Live eBay listings above update daily.