A currency that buys one category of thing

An embossed card, the number raised across the middle in the old style: 4471 0092 8830 1146, VALID THRU 04/49 beneath it.

A coloured band across the face reads NUTRITION CREDIT ONLY. The signature panel carries two different signatures. NON-TRANSFERABLE sits in small type at the edge.

Money that buys one category of thing and nothing else isn't money. It's a ration with a bank's manners, and this card says so in four words without raising its voice.

Why does a nutrition credit card need its own name for money?

Because calling it money would grant it money's freedom, and that's exactly what it withholds.

NUTRITION CREDIT ONLY is doing a precise job: it lets the issuer describe the balance as generosity — a credit, a benefit — while making sure it can't be spent on rent, transport or anything else a person might need most that week. General-purpose currency lets the holder decide what matters. A restricted credit decides for them, and the restriction is the entire product.

Why do raised numerals still read as authority?

Because embossing used to be the way a card proved it wasn't just printed paper.

Before magnetic strips and chips, a raised number was the physical security feature — it's what that circular imprint machine at an old till was pressing through carbon paper. The technology is obsolete everywhere except the part that still works on people: a raised numeral catches light and throws a shadow, and that small bit of dimensionality still reads as official even on a card that has nothing to do with a bank. It's a texture borrowed from real authority and pointed at something that has none.

What makes the two signatures the real design?

They're the part of the card an issuer didn't design.

Everything else on the face is institutional: the band, the small type, the raised numerals in their allotted space. A signature panel exists for one person's mark, and this one carries two — which means the card changed hands off the books, the rule against that didn't hold, and nobody issued a replacement to catch up. It's the design's one joke and its sharpest point, delivered in the same deadpan as everything printed around it.

Can it look like a real bank or card network's card?

The layout is generic banking technology; a real network's marks are not.

The embossed-numeral format, the signature panel, the small-type disclaimer along the edge — none of that belongs to any one issuer, it's decades of shared card design. What does belong to somebody is a specific network's hologram, wordmark and colour scheme, and reproducing those on an invented card would borrow a real institution's authority for a fictional one, which is the thing worth avoiding here. An invented number and an invented issuer keep the design honest about what it is.

Does the same format work for other restricted currencies?

Anywhere a voucher pretends to be more flexible than it is.

A meal card that clears at certain registers and nowhere else. Company scrip redeemable exclusively at the company store. A transit card topped up by an employer and coded to refuse anywhere but transit. The format repeats wherever an issuer wants credit's dignity without credit's freedom, and a card is the cleanest object to put that argument on, because a card's entire cultural meaning is "you can spend this."

Isn't a fictional card number just decoration?

No — a specific number is what makes the restriction feel enforced rather than described.

A card that just said "restricted currency" across the front would read as a slogan. A sixteen-digit number laid out in the standard grouping, with a plausible expiry, reads as a system — something with a database behind it, checking, the same way a coordinate pair reads as a real place rather than a graphic. The specificity does the same work a badge number or a service tag does elsewhere in this material: it says a machine somewhere is tracking this, which is worse than a person doing it.

Does it print well?

Yes, and it wants restraint more than detail.

Two or three inks: the card ground, the raised-numeral highlight, and the coloured band. Sand, bone or a pale institutional green all suit it — anything too saturated undoes the deliberately boring bureaucratic tone the design depends on. The embossed effect reads as a hard-edged highlight and shadow rather than a soft gradient, which also happens to be what survives fabric printing generally. The small type needs to stay legible rather than decorative, so the punchline in NON-TRANSFERABLE actually lands.

How do I get one made?

Describe the restriction at JustOG — what the credit can buy, the number, and what the small type says. Pick a direction, drag the crop frame, see it composited on the real garment, and it's made to order and shipped.

Designs other people have published are in the shop.

Two signatures on one panel, and nobody printed a new card.