(Note: this is a collection of the meanings attributed to the cards by some occultists in the past centuries. It does not reflect my own study or opinion of the cards. It is only meant as a quick comparative reference as I develop my own take.)

Paul Foster Case (and Ann Davies)

The time period is the third decanate of Taurus, under the rulership of Saturn, May 11 to 20. Meanings:
Well-Dignified: slight gains, but of small account; much labor for small returns.
Ill-Dignified: something promising turns out badly; loss in speculation and unprofitable employment; financial restriction; unrealized hopes and
wishes.
Keyword: Loss
(From the Oracle of Tarot course)

A. E. Waite

A young man, leaning on his staff, looks intently at seven pentacles attached to a clump of greenery on his right; one would say that these were his treasures and that his heart was there. Divinatory Meanings: These are exceedingly contradictory; in the main, it is a card of money, business, barter; but one reading gives altercation, quarrels–and another innocence, ingenuity, purgation. Reversed: Cause for anxiety regarding money which it may be proposed to lend.
(From The Pictorial Key to the Tarot)

Aleister Crowley

The Seven of Disks is called Failure. This suit gives the extreme of passivity; there is no positive virtue in it below the Abyss. This card is ruled by Saturn. Compare it with the three other Sevens; there is no effort here; not even dream; the stake has been thrown down, and it is lost. That is all. Labour itself is abandoned; every thing is sunk in sloth.

[…]

The number Seven, Netzach, has its customary enfeebling effect, and this is made worse by the influence of Saturn in Taurus. The disks are arranged in the shape of the geomantic figure Rubeus, the most ugly and menacing of the Sixteen. (See Five of Cups.) The atmosphere of the card is that of Blight. On the background, which represents vegetation and cultivation, everything is spoiled. The four colours of Netzach appear, but they are blotched with angry indigo and reddish orange. The disks themselves are the leaden disks of Saturn. They suggest bad money.
(From The Book of Thoth)

Golden Dawn’s Book T

A WHITE Radiating Angelic Hand issuing from a cloud, and holding a white rose branch. Seven Pentacles arranged like the geomantic figure Rubeus. There are only five buds, which overhang, but do not touch the five uppermost Pentacles. Above and below are the Decan symbols, Saturn and Taurus respectively.

Promises of success unfulfilled. (Shewn, as it were, by the fact that the rosebuds do not come to anything.) Loss of apparently promising fortune. Hopes deceived and crushed. Disappointment, misery, slavery, necessity and baseness. A cultivator of land, and yet a loser thereby. Sometimes it denotes slight and isolated gains with no fruits resulting therefrom, and of no further account, though seeming to promise well.

Netzach of HB:H (Unprofitable speculations and employments; little gain for much labour).
Therein HB:HRChAL and HB:MTzRAL are ruling Angels.

Etteilla

Money
Upright. This card, as far as the medicine of the spirit is concerned, means, in its natural position: Money, Wealth, Sum, Coin. – Silver. – Whiteness, Purity, Candor, Innocence, Naiveté, Moon. – Purgation, Purification.
Reversed. Restlessness, Torment of spirit, Impatience, Affliction, Remorse, Concern, Solicitude, Care, Attention, Diligence, Application. – Apprehension, Fear, Distrust, Misgiving, Suspicion.

MQS