
All Placard Rats were issued by Pictures on Walls at GBP 74.99 for an unsigned print, and GBP 150 for a signed print.
Pest Modernism

Banksy’s appreciation for rats is often attributed to French stencil artist Blek le Rat, who is widely considered to be the father of stencil graffiti and is famous for introducing urban art to France in the 80’s, some 20 years before Banksy.
DESCRIPTION
Because I’m Worthless
Editions
Signed Edition: 75
Unsigned Edition: 175
Some in red, some in pink (exact counts not specified)
AUCTION RESULTS
1. BIMW (unsigned)
Because I’m Worthless (unsigned) last sold at auction on 5 March 2021, at Forum Auctions for GBP 60,300 (USD 83,817). It sold once in 2021. It sold 4 times in 2020, at an average price of GBP 34,317 (USD 45,541). It sold at Tate Ward Auctions on 24 November 2020 for GBP 50,000 (USD 66,000).
Forum Auctions: 5 March 2021
Estimated: GBP 40,000 – 60,000
GBP 45,000 (Hammer)
GBP 60,300 / USD 83,817
AUCTION RECORD FOR BECAUSE I’M WORTHLESS (UNSIGNED)
BANKSY (b.1974)
Because I’m Worthless (Pink) (unsigned), 2004
Screenprint in colors on wove paper
Numbered from the edition of 175 in pencil, with the publisher’s blindstamp
Phillips Hong-Kong: 4 December 2020
Estimated: HKD 100,000 – 150,000
HKD 504,000 / USD 65,025
BANKSY
Because I’m Worthless (unsigned), 2004
Screenprint in colours on wove paper
Numbered ‘139/175’ with publisher’s blindstamp lower left
2. BIMW (signed)
Because I’m Worthless (signed) did not sell at auction in 2024.
Because I’m Worthless (signed) sold twice at auction in 2023, at Tate Ward Auctions on 29 March 2023 for GBP 46,000 (USD 56,629), and at Christie’s online on 14 March 2023 for GBP 56,700 (USD 69,441).
Because I’m Worthless (signed) did not sell at auction in 2022.
Because I’m Worthless (signed) sold twice in 2021, at Artnet Auctions on 14 October 2021 for USD 144,000, its all-time high auction record, and at Bonhams London, on 25 February 2021 for GBP 94,000 (USD 132,990).
2023 Auction Results
Because I’m Worthless (signed) sold twice at auction in 2023, at Tate Ward Auctions on 29 March 2023 for GBP 46,000 (USD 56,629), and at Christie’s online on 14 March 2023 for GBP 56,700 (USD 69,441).
Tate Ward Auctions: 29 March 2023
Estimated: GBP 40,000 – 60,000
GBP 46,000 / USD 56,629
BANKSY
Because I’m Worthless (signed), 2004
Screenprint in colors on wove paper
Signed and dated in pencil, lower right
Numbered 15/75 in pencil with the publisher’s blindstamp, lower right
Christie’s Online: 14 March 2023
Estimated: GBP 50,000 – 70,000
GBP 56,700 / USD 69,441
BANKSY
Because I’m Worthless, 2004-2005
Screen-print in black and red on wove paper
Signed and dated 05, lower left
Numbered 53/75 in pencil with the publisher’s blindstamp, lower right
2021 Auction Results
Because I’m Worthless (signed) sold twice in 2021, at Artnet Auctions on 14 October 2021 for USD 144,000, its world auction record, and at Bonhams London, on 25 February 2021 for GBP 94,000 (USD 132,990).
Artnet Auctions: 14 October 2021
Estimated: USD 60,000 – 80,000
USD 144,000
WORLD AUCTION RECORD FOR BECAUSE I’M WORTHLESS SIGNED
BANKSY
Because I’m Worthless (signed), 2004
Screenprint in colors on wove paper
Signed, dated and numbered 57/75 in pencil
Bonhams London: 25 February 2021
Estimated: GBP 40,000 – 60,000
GBP 94,000 / USD 132,990
Screenprint in colors on wove paper
Signed, dated and numbered ’17/75′ in pencil, with the publisher’s blindstamp
2020 Auction Results
Estimated: GBP 20,000 – 30,000

Screenprint in colors on wove paper