In the most recent Anthemion Auction (23-05-2018), a mixture of vintage and modern Groggs went under the hammer, here are some of the sale highlight.
A John Hughes pottery Grogg of Steve Fenwick, in a red Welsh jersey, No.12 to the reverse, signed to the base, 34.5cm high (580 GBP hammer)
A John Hughes pottery Grogg of J.P.R. Williams in Bridgend kit, number 15 on the reverse, the base incised 'Bridgend RFC', signed by John Hughes to the base, 24.5cm high (600 GBP hammer)
David Campese, in Australia jersey (75 GBP hammer) & Mike Griffiths, in a British Lions Jersey (420 GBP hammer)
A John Hughes pottery Grogg titled "Thomas the tackle", signed to the base, 30.5cm high (330 GBP hammer)
Rugby Memorabilia Society