The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
AT&T Inc COM 00206r102 450 10,822 SH   SOLE   0 0 10,822
Abbvie Inc. Com COM 00287y109 296 4,545 SH   SOLE   0 0 4,545
Alerus Finl Corp Com COM 01446u103 374 20,100 SH   SOLE   0 0 20,100
Alleghany Corp COM 017175100 10,321 16,791 SH   SOLE   0 0 16,791
Allergan Plc COM g0177j108 631 2,642 SH   SOLE   0 0 2,642
Allstate Corp COM 020002101 200 2,459 SH   SOLE   0 0 2,459
Altria Group Inc. COM 02209s103 276 3,863 SH   SOLE   0 0 3,863
Avalonbay Comm Reit Inc. COM 053484101 248 1,350 SH   SOLE   0 0 1,350
BB&T Corp COM 054937107 260 5,811 SH   SOLE   0 0 5,811
Bank Of Amer Corp COM 060505104 1,718 72,825 SH   SOLE   0 0 72,825
Becton Dickinson & Co Com COM 758871099 4,175 22,762 SH   SOLE   0 0 22,762
Bed Bath & Beyond Inc Com COM 075896100 4,560 115,565 SH   SOLE   0 0 115,565
Berkshire Hathaway Inc-Cl A COM 846701084 750 3 SH   SOLE   0 0 3
Berkshire Hathaway Inc-Cl B COM 084670702 24,507 147,029 SH   SOLE   0 0 147,029
Boston Properties COM 101121101 318 2,400 SH   SOLE   0 0 2,400
Cable One Inc Com COM 12685j105 2,036 3,260 SH   SOLE   0 0 3,260
Coca-Cola Corp COM 191216100 4,724 111,306 SH   SOLE   0 0 111,306
Colfax Corp Com COM 194014106 7,331 186,730 SH   SOLE   0 0 186,730
Corning Inc Com COM 219350105 4,333 160,472 SH   SOLE   0 0 160,472
Costco Wholesale Corp COM 22160k105 340 2,026 SH   SOLE   0 0 2,026
Diageo Plc Spon Adr New COM 25243q205 1,780 15,398 SH   SOLE   0 0 15,398
Diamond Offshore Drill Com COM 25271c102 1,144 68,434 SH   SOLE   0 0 68,434
Discovery Holdings Co Cl A COM 25470f104 5,851 201,150 SH   SOLE   0 0 201,150
Dover Corp Com COM 260003108 4,291 53,406 SH   SOLE   0 0 53,406
Dover Motorsports Inc COM 260174107 215 97,554 SH   SOLE   0 0 97,554
Exxon Mobil Corp COM 30231g102 7,328 89,361 SH   SOLE   0 0 89,361
Federal Realty Invt Tr Sbi-New COM 313747206 334 2,500 SH   SOLE   0 0 2,500
First Natl Bk Alaska Com COM 32212j106 387 215 SH   SOLE   0 0 215
General Electric Corp COM 369604103 541 18,165 SH   SOLE   0 0 18,165
Genuine Parts Co Com COM 372460105 5,062 54,774 SH   SOLE   0 0 54,774
Glaxo Holdings Plc COM 37733w105 1,552 36,815 SH   SOLE   0 0 36,815
Graham Holdings Co COM 384637104 1,828 3,049 SH   SOLE   0 0 3,049
Hasbro Inc Com COM 418056107 7,121 71,336 SH   SOLE   0 0 71,336
Honeywell Intl Inc COM 438516106 271 2,172 SH   SOLE   0 0 2,172
IShares Tr MSCI Eafe Idx COM 464287465 241 3,865 SH   SOLE   0 0 3,865
International Business Machine COM 459200101 8,073 46,361 SH   SOLE   0 0 46,361
J P Morgan Chase And Co COM 46625h100 685 7,795 SH   SOLE   0 0 7,795
Johnson & Johnson COM 478160104 13,128 105,403 SH   SOLE   0 0 105,403
Johnson Ctls International Plc COM G51502105 1,987 47,165 SH   SOLE   0 0 47,165
Leucadia National Corp COM 527288104 8,999 346,107 SH   SOLE   0 0 346,107
Loews Corp COM 540424108 7,697 164,563 SH   SOLE   0 0 164,563
Madison Square Garden Cl A COM 55825t103 7,204 36,071 SH   SOLE   0 0 36,071
Markel Corp Com COM 570535104 21,904 22,446 SH   SOLE   0 0 22,446
Marsh & McLennan Cos Com COM 571748102 4,257 57,615 SH   SOLE   0 0 57,615
McCormick & Co Inc Com Non Vtg COM 579780206 3,158 32,376 SH   SOLE   0 0 32,376
McDonalds Corp COM 580135101 238 1,837 SH   SOLE   0 0 1,837
Microsoft Corp Com COM 594918104 9,306 141,294 SH   SOLE   0 0 141,294
Nestle Sa-Adr Repstg COM 641069406 1,184 15,400 SH   SOLE   0 0 15,400
Norfolk Southern Corp COM 655844108 7,976 71,234 SH   SOLE   0 0 71,234
Paychex Inc COM 704326107 5,580 94,738 SH   SOLE   0 0 94,738
Pentair Ltd COM g7s00t104 1,523 24,257 SH   SOLE   0 0 24,257
Pepsico Inc COM 713448108 6,637 59,333 SH   SOLE   0 0 59,333
Pfizer Inc Com COM 717081103 677 19,778 SH   SOLE   0 0 19,778
Progressive Corp Ohio Com COM 743315103 8,452 215,721 SH   SOLE   0 0 215,721
Royal Dutch Shell Plc Adr Cl A COM 780257804 337 6,400 SH   SOLE   0 0 6,400
Ryanair Hldgs Plc Sponsored Ad COM 783513203 4,624 55,725 SH   SOLE   0 0 55,725
Sandy Spring Bancorp Com COM 800363103 4,312 105,201 SH   SOLE   0 0 105,201
T Rowe Price Group Inc COM 74144t108 5,953 87,345 SH   SOLE   0 0 87,345
Teva Pharmaceutical Inds Adr COM 881624209 276 8,601 SH   SOLE   0 0 8,601
Union Pac Corp COM 907818108 222 2,100 SH   SOLE   0 0 2,100
Verizon Communications Com COM 92343v104 371 7,615 SH   SOLE   0 0 7,615
Wal Mart Stores Inc Com COM 931142103 6,701 92,964 SH   SOLE   0 0 92,964
Walgreens Boots Alliance Inc C COM 931427108 9,458 113,888 SH   SOLE   0 0 113,888
Walt Disney Holding Co COM 254687106 6,231 54,955 SH   SOLE   0 0 54,955
Washington Real Estate Inv Tr COM 939653101 409 13,090 SH   SOLE   0 0 13,090
Wells Fargo & Co COM 949746101 6,673 119,887 SH   SOLE   0 0 119,887
Source Capital Inc COM 836144105 241 6,410 SH   SOLE   0 0 6,410